ENGLISH USER GUIDE LM-K420YMW Copyright ©2020 LG Electronics Inc. All rights reserved. MFLXXXXXXXX (1.0) www.lg.
About this user guide ENGLISH Thank you for choosing this LG product. Please carefully read this user guide before using the device for the first time to ensure safe and proper use. • Always use genuine LG accessories. The supplied items are designed only for this device and may not be compatible with other devices. • Descriptions are based on the device default settings. • Default apps on the device are subject to updates, and support for these apps may be withdrawn without prior notice.
Instructional notices WARNING: Situations that could cause injury to the user and third parties. CAUTION: Situations that may cause minor injury or damage to the device. NOTE: Notices or additional information.
Table of contents 6 Guidelines for safe and efficient use 01 02 Custom-designed Features Basic Functions 16 16 18 22 Audio recording features Google Assistant Fingerprint recognition Multi-tasking feature 26 27 31 32 34 35 35 38 41 50 53 54 55 57 Product components and accessories Parts overview Turning the power on or off Installing the SIM card Inserting the memory card Removing the memory card Battery Touch screen Home screen Screen lock Memory card encryption Taking screenshots Content sharing
03 04 Useful Apps Settings 59 61 62 66 67 78 83 85 88 89 90 91 91 92 92 93 93 94 94 94 95 99 99 106 109 110 110 112 112 114 115 115 117 117 118 118 118 Installing and uninstalling apps App Shortcuts Phone Messaging Camera Gallery Contacts QuickMemo+ Clock Calculator Music ThinQ FM Radio Audio Recorder Game Launcher Smart Doctor LG Mobile Switch App trash RemoteCall Service Cell Broadcast Google apps Table of contents Settings Network & internet Connected devices Sound Notifications Display Wallpaper
05 Appendix 126 126 127 129 130 130 131 132 132 133 134 138 LG Language Settings LG Bridge Phone software update Anti-Theft Guide Open Source Software Notice Information Regulatory information (Regulation ID number, E-labeling, etc.
Guidelines for safe and efficient use Please read these simple guidelines. Not following these guidelines may be dangerous or illegal. Should a fault occur, a software tool is built into your device that will gather a fault log. This tool gathers only data specific to the fault, such as signal strength, cell ID position in sudden call drop and applications loaded. The log is used only to help determine the cause of the fault.
Information about the RF exposure from FCC In August 1996, the Federal Communications Commission (FCC) of the United States, with its action in Report and Order FCC 96-326, adopted an updated safety standard for human exposure to radio frequency (RF) electromagnetic energy emitted by FCC regulated transmitters. Those guidelines are consistent with the safety standard previously set by both international and U.S. standards.
Body-worn Operation This device was tested for typical bodyworn operations with the back of the device kept 0.39 inches (1cm) between the user’s body and the back of the device. To comply with FCC RF exposure requirements, a minimum separation distance of 0.39 inches (1cm) must be maintained between the user’s body and the back of the device. Any beltclips, holsters, and similar accessories containing metallic components may not be used. Body-worn accessories that cannot maintain 0.
• Repairs under warranty, at LG’s discretion, may include replacement parts or boards that are either new or reconditioned, provided that they have functionality equal to that of the parts being replaced. • Keep away from electrical appliances such as TVs, radios and personal computers. • The unit should be kept away from heat sources such as radiators or cookers. • Do not drop. • Do not subject this unit to mechanical vibration or shock.
• If your device gets wet, immediately unplug it to dry off completely. Do not attempt to accelerate the drying process with an external heating source, such as an oven, microwave or hair dryer. • The liquid in your wet device, changes the colour of the product label inside your device. Damage to your device as a result of exposure to liquid is not covered under your warranty. • A mobile device requires proper air circulation in order to dissipate heat.
Road safety Check the laws and regulations on the use of devices in the area when you drive. • Do not use a hand-held device while driving. • Give full attention to driving. • Pull off the road and park before making or answering a call if driving conditions so require. • RF energy may affect some electronic systems in your vehicle such as car stereos and safety equipment. • When your vehicle is equipped with an air bag, do not obstruct with installed or portable wireless equipment.
Glass Parts Some parts of your device are made of glass. This glass could break if your device is dropped on a hard surface or receives a substantial impact. If the glass breaks, do not touch or attempt to remove it. Stop using your device until the glass is replaced by an authorised service provider. Blasting area Do not use the device where blasting is in progress. Observe restrictions and follow any regulations or rules. Potentially explosive atmospheres • Do not use your device at a refueling point.
Battery information and care • You do not need to completely discharge the battery before recharging. Unlike other battery systems, there is no memory effect that could compromise the battery’s performance. • Use only LG batteries and chargers. LG chargers are designed to maximise the battery life. • Do not disassemble or short-circuit the battery. • Keep the metal contacts of the battery clean. • Replace the battery when it no longer provides acceptable performance.
• Read the permission screen carefully while downloading applications. • Be cautious using the applications that have access to multiple functions or to your personal information. • Check your personal accounts regularly. If you find any sign of misuse of your personal information, ask your service provider to delete or change your account information. • If your device is lost or stolen, change the password of your account to secure your personal information. • Do not use applications from unknown sources.
01 Custom-designed Features
Audio recording features LG 3D Sound Engine LG 3D Sound Engine feature allows you to hear stereoscopic and optimised sound. When playing music or video, you can enjoy stereoscopic and immersive sound as if you were listening in the field. 1 Drag the notifications panel downwards. 2 Tap to turn on or off the LG 3D Sound Engine feature. Or tap Settings Sound Sound quality and effects LG 3D to activate it.
3 Follow the on-screen instructions. • The device saves your voice data for recognition. 4 Set whether to use the voice match unlock function. • If you use the voice match unlock function, you can unlock the device even when the device screen is turned off or the device is charging by saying “OK Google” or “Hey Google”. • This feature may be more vulnerable to security than the other screen locks, such as Pattern, PIN, and Password.
• In an environment where Wi-Fi or mobile data connection is poor, the Google Assistant function may be restricted and the speech recognition accuracy rate may be lowered. • If the speech is ambiguous, the microphone is covered, a media player is playing, or the surrounding is loud, the speech recognition accuracy rate may be lowered. When you are using the product via voice commands, say with accurate pronunciation in a quite environment for better speech recognition accuracy.
Precautions for fingerprint recognition Fingerprint recognition accuracy may decrease due to a number of reasons. To maximise the recognition accuracy, check the following before using the device. • At the bottom centre of the product’s screen, there is a built-in sensor that recognises fingerprints. Be careful not to scratch or damage the fingerprint sensor with metal objects such as coins or keys. • If there are foreign substances (sweat, lotion, water, dirt, grease, etc.
Registering fingerprints You can register and save your fingerprint on the device to use fingerprint identification. 1 On the home screen, tap Settings Lock screen & security Fingerprints. • A lock screen must be set in order to be able to use this feature. • If the screen lock is not active, configure the lock screen by following the on-screen instructions. See Setting a screen lock for details. 2 Place your finger on the fingerprint sensor on the device and adjust it little by little.
4 When the fingerprint registration is done, tap OK. • Tap Add more to register another fingerprint. Since the fingerprint recognition success rate depends on the condition of the registered fingerprint, it is recommended that you register several different fingerprints. Managing fingerprints You can edit or delete registered fingerprints. 1 On the home screen, tap Settings Lock screen & security Fingerprints. 2 Unlock according to the specified lock method.
Multi-tasking feature Recent Uses Screen Swipe the Home button history. upward and hold to view the recent use Pop-up window You can open multiple apps on the screen and easily switch between them at any time. 1 Swipe up on from the bottom of the screen. 2 Tap the app icon on the top left of the app screen and select Pop-up window. • If you tap the app icon, the App info, Multi window, Pop-up window and Pin app options appear. 3 The app appears in the form of a pop-up window on the screen.
Using the pop-up window • : Minimises the pop-up window. The pop-up window is minimised into the app icon floating on the screen, which can be moved anywhere you want. : Expands the app to full screen. • : Closes the app. • • You can open up to 5 apps using the pop-up windows. • To select an app from the opened apps, tap one of the pop-up windows. The selected pop-up window comes to the front. • Pop-up windows cannot be moved to the status bar or navigation bar area.
Multi window When using gesture navigation 1 Swipe up on from the bottom of the screen. • Recently-used apps appear. • If you tap the app icon, the App info, Multi window, Pop-up window and Pin app options appear. 2 Tap the app icon on the top left of the app to be displayed in the multiwindow and select Multi window. • The selected app appears at the top half of the screen. 3 Tap the other app to be displayed in the multi window. • The selected app appears at the bottom half of the screen.
02 Basic Functions
Product components and accessories The following items are included with your device. • Device • USB cable • Ejection pin • Charger • Quick Start Guide • The items described above may be optional. • The items supplied with the device and any available accessories may vary depending on the area and service provider. • Always use genuine LG Electronics accessories. Using accessories made by other manufacturers may affect your device's call performance or cause malfunctions.
Parts overview Basic Functions 27
Do NOT attempt to remove the back cover by yourself. • Doing so may severely damage the battery and device, which could cause overheating, fire, and injury. This device’s back cover and battery are not to be removed or replaced by a non-qualified professional. • Your phone is an electronic device that generates heat during normal operation. Extremely prolonged, direct skin contact in the absence of adequate ventilation may result in discomfort or minor burns.
• Google Assistant key -- You can short-press it once to run Google Assistant. You can press and hold it to run Google Assistant and then release the finger from the key to run the voice command function. -- See the Google Assistant for details. • Fingerprint sensor -- Turn on the fingerprint recognition feature to simplify the process of unlocking the screen. See Fingerprint recognition overview for details.
There are two microphones built into this product. Be careful not to cover the microphones. While you are talking on the phone, do not cover the microphone with your hand or fingers. Do not use a phone case that is not a genuine product or cover the microphone with accessories, tape, etc. Hold the product correctly as shown in the image when you are using it.
Turning the power on or off Turning the power on When the power is turned off, press and hold the Power/Lock key. • When the device is turned on for the first time, initial configuration takes place. The first booting time for the smart phone may be longer than usual. Turning the power off Press and hold the Power/Lock key, then select Power off. Restarting the device When the device is not working properly or does not respond, restart it by following the instructions below.
Installing the SIM card Insert the SIM (Subscriber Identity Module) card provided by your service provider to start using your device. • Be careful with the ejection pin since it has a sharp edge. • In order for the water-resistant and dust-resistant features to work effectively, the card tray must be inserted correctly. 1 Insert the pin into the hole of the card tray and press the pin, and then pull the card tray out of the product.
• This device supports only Nano SIM cards. Nano Micro Standard • For problem-free performance, it is recommended that you use the device with the correct type of SIM card. Always use a factory-made SIM card supplied by the operator. • Do not lose your SIM card. LG is not responsible for damage and other issues caused by loss or transfer of a SIM card. • Be careful not to damage the SIM card when you insert or remove it. • When you insert the SIM card or memory card, place it on the card tray correctly.
Inserting the memory card Insert the memory card into your device. The device can support up to a 2 TB microSD card. Depending on the memory card manufacturer and type, some memory card may not be compatible with your device. 1 Insert the ejection pin into the hole on the card tray. 2 Pull out the card tray. 3 Put the memory card on the card tray with the gold-coloured contacts facing downwards. 4 Insert the card tray back into the slot. • Some memory cards may not be fully compatible with the device.
Removing the memory card Unmount the memory card before removing it for safety. 1 On the home screen, tap Settings Storage . 2 Insert the ejection pin into the hole in the card tray and then pull out the card tray from the device. 3 Remove the memory card from the card tray. 4 Insert the card tray back into the slot. • Do not remove the memory card while the device is transferring or accessing information. This may cause data to be lost or corrupted, or may damage the memory card or the device.
• If there is moisture on the charging port, exposed terminals, charging cable, charging adapter, etc., do not use or charge the product. The product may malfunction or get broken or damaged, and there is risk of injury caused by electric shock, fire, overheating, explosion, etc. If you find moisture on such areas, stop using or charging the product immediately and completely remove the moisture. • Do not separate the battery cover. This product uses a non-removable battery.
Precautions when using the device • Make sure to use the USB cable provided; do not use third party USB cables or chargers with your device. The LG limited warranty does not cover the use of third party accessories. • Failure to follow the instructions in this guide and improper use may damage the device. • If the battery temperature exceeds a certain level while charging the device, charging may be stopped.
Touch screen You can familiarise yourself with how to control your device by using touch screen gestures. Tapping Lightly tap with your fingertip to select or run an app or option. Touching and holding Touch and hold for several seconds to display a menu with available options.
Double-tapping Tap twice quickly to zoom in or out on a web page or map. Dragging Touch and hold an item, such as an app or widget, then move your finger to another location in a controlled motion. You can use this gesture to move an item. Swiping Touch the screen with your finger and move it quickly without pausing. You can use this gesture to scroll through a list, a web page, photos, screens, and more.
Pinching and spreading Pinch two fingers to zoom out such as on a photo or map. To zoom in, spread your fingers apart. • Do not expose the touch screen to excessive physical shock. You might damage the touch sensor. • A touch screen failure may occur if you use the device near a magnetic, metallic or conductive material. • If you use the device under bright lights, such as direct sunlight, the screen may not be visible, depending on your position.
Home screen Home screen overview The Home screen is the starting point for accessing various functions and apps on your device. Swipe up from the bottom edge of any screen to directly go to the Home screen. You can manage all apps and widgets on the Home screen. Swipe the screen left or right to view all installed apps at a glance. Home screen layout You can view all apps and organise widgets and folders on the Home screen.
• Status bar: View status icons, the time and the battery level. • Weather widget: View the information of weather and time for a specific area. • Google Search widget: Type or speak to pull open Google Search. • Folder: You can create folders to classify the app based on desired criteria. • Page icon: Display the total number of Home screen canvases. You can tap the desired page icon to go to the page you selected. The icon reflecting the current canvas will be highlighted.
Status icons When there is a notification for an unread message, calendar event or alarm, the status bar displays the corresponding notification icon. Check your device’s status by viewing notification icons displayed on the status bar.
Notifications panel You can open the notifications panel by dragging the status bar downward on the main screen. • You can drag down the notice window or tap the arrow icon to open the list of quick setting icons. • You can tap to add, delete or arrange icons in the notice window. • If you touch and hold the icon, the settings screen for the corresponding function appears. • You can use the notifications panel even on the lock screen.
Switching the screen orientation You can set the screen orientation to automatically switch according to the device’s physical orientation. On the notification panel, tap Rotation from the quick access icon list. You can also tap Settings Display and activate Auto-rotate screen on the home screen. Editing the Home screen On the Home screen, touch and hold on an empty space, then select the desired action from below.
• To change the grid, touch and hold on a blank area of the Home screen, then select Grid. Tap the desired grid, then tap Apply. • To configure the Home screen settings, touch and hold on a blank area of the Home screen, then select Home screen settings. See Home screen settings for details. • To view or reinstall the uninstalled apps, touch and hold on a blank area of the Home screen, then select App trash. See App trash for details.
Viewing the background theme You can view only the background image by hiding the apps and widgets on the Home screen. Spread two fingers apart on the Home screen. • To return to the original screen, which displays apps and widgets, pinch your fingers on the Home screen or drag up from the bottom edge of the screen. Moving apps on the Home screen On the Home screen, touch and hold an app, then drag it to another location.
Using folders from the Home screen Creating folders On the Home screen, touch and hold an app, then drag it over another app. • A new folder is created and the apps are added to the folder. Editing folders On the Home screen, tap a folder and do one of the following actions. • To edit the folder name tap the folder name. • To edit the colour, tap the right upper circle. • To add apps, touch and hold an app, then drag it over the folder and release it.
Home screen settings You can customise the Home screen settings. 1 On the home screen, tap Settings Display Home screen. 2 Customise the following settings: • Select Home: Select a Home screen mode. • Wallpaper: Change the Home screen background wallpaper. • Screen swipe effect: Select an effect to apply when the Home screen canvas switches. • Icon shape: Choose if you want icons to have square or rounded corners. • Google feed: Show to the left of the main Home screen.
Screen lock Screen lock overview Your device’s screen turns off and locks itself if you press the Power/Lock key. This also happens after the device is left idle for a specified period of time. If you press the Power/Lock key when a screen lock is not set, the Home screen appears immediately. To ensure security and prevent unwanted access to your device, set a screen lock. • A screen lock prevents unnecessary touch input on the device screen and reduces battery consumption.
Customise Lock screen You can customise lock screen. 1 On the home screen, tap Settings Lock screen & security Customize Lock screen. 2 Select a function you want to set. • Wallpaper: Allow you to set the background for your Lock screen. • Clock: Allow you to set where to position the clock on the Lock screen. • Shortcuts: Allow you to choose apps to run on your Lock screen. This setting appears only when a screen lock is set.
• Smart Lock: Allow you to set trusted devices, places, voice, and/or on-body detection that will allow your phone to remain unlocked. • Available menu options may vary depending on the lock screen method selected. KnockON You can turn the screen on or off by double-tapping the screen. • This option is available only on the Home screen provided by LG. It may not function properly on a custom launcher or on the Home screen installed by the user. • When tapping the screen, use your fingertip.
Memory card encryption You can encrypt and protect data saved on the memory card. The encrypted data in the memory card cannot be accessed from another device. 1 On the home screen, tap Settings Lock screen & security Encryption & credentials Encrypt SD card. 2 Read the on-screen overview of memory card encryption and then tap Continue to continue. 3 Select an option and tap Encrypt now. • New data encryption: Encrypt only data that is saved on the memory card after encryption.
Taking screenshots You can take screenshots of the current screen you are viewing. Via a shortcut Press and hold the Power/Lock key and the Volume Down key at the same time for at least two seconds. • Screenshots can be viewed from the Screenshots folder in the Gallery. Via Screenshot On the screen where you want to take a screenshot, drag the status bar downwards, then tap . • See Writing notes on a screenshot for details.
Content sharing Playing content from another device You can play photos, videos or songs saved on your device from a TV. 1 Connect the TV and your device to the same Wi-Fi network. 2 While viewing the items in the Gallery or Music app, tap Play on other device. 3 Select the TV you want to connect to. • For use with Chromecast, Google Play services should be up to date.
Searching for nearby devices You can view a list of DLNA devices on the same network by selecting the Nearby devices menu in each app. Use content from nearby devices as if you were using it on your device. Sending or receiving files You can share files between your device and another LG device, or a tablet. Sending files From the Gallery or other apps, tap on the file sharing list. Share or , then select a device Receiving files Drag the status bar downward and then tap File sharing.
Do not disturb You can limit or mute notifications to avoid disturbances for a specific period of time. On the home screen, tap Settings Sound Do not disturb. • Mode and select the mode you want: -- Priority only: Receive sound or vibrate notifications for the selected apps. Even when Priority only is turned on, alarms still sound. -- Total silence: Disable both the sound and vibration. • Select priorities: Receive alarms and the notifications for the selected apps.
03 Useful Apps
Installing and uninstalling apps Installing apps Access an app store to search and download apps. • You can use SmartWorld, Play Store or the app store provided by your service provider. • Some app stores may require you to create an account and sign in. • Some apps may charge fees. • If you use mobile data, you may be charged for data usage, depending on your pricing plan. • SmartWorld may not be supported depending on the area or service provider.
Uninstalling apps from the app store To uninstall an app, access the app store from which you download the app and uninstall it. Installing and uninstalling apps during the setup When you turn on the device for the first time, you can download recommended apps. You can skip to the next step without installation. App trash You can view the uninstalled apps. You can also reinstall apps which were uninstalled within 24 hours from now. 1 On the home screen, tap Management App trash.
App Shortcuts On the Home screen, touch and hold an app icon such as Call, Message, Camera, Gallery and Settings to display a quick access menu. Use apps more easily through App Shortcuts. • Tap to set the widgets for the app. • Tap to check the app information. • This feature is available only on some apps.
Phone Voice call Make a phone call by using one of the available methods, such as manually entering a phone number and making a call from the contact list or the list of recent calls. Making a call from the keypad Dial. 1 On the home screen, tap 2 Make a call by using a method of your choice: • Enter a phone number and tap . • Touch and hold a speed dial number. • Search for a contact by tapping the initial letter of a contact name in the contact list, and then tap .
Answering a call To answer a call, drag on the incoming call screen. • When the stereo headset is connected, you can make calls by using the call/end button on the headset. • To end a call without turning off the screen, on the home screen, tap Settings Network & internet Call Answer and end calls and then activate End call with the Power key.
Viewing missed calls If there is a missed call, the status bar at the top of the screen displays . To view missed call details, drag the status bar downwards. You can also Call logs on the home screen. tap Functions accessible during a call During a call, you can access a variety of functions by tapping the on-screen buttons: • Contacts: View the contact list during a call. • Hold: Place the current call on hold. • Dialpad: Display or hide the dial pad. • Speaker: Turn on the speakerphone function.
Making a three-way calling You can make a call to another contact during a call. 1 During a call, tap Add call. 2 Enter a phone number and tap . • The two calls are displayed on the screen at the same time, and the first call is put on hold. 3 To start a conference call, tap Merge calls. • You may be charged a fee for each call. Consult with your service provider for more information. Viewing call records To view recent call records, on the home screen, tap Call logs.
Messaging Sending a message You can create and send messages to your contacts using the Messaging app. • Sending messages abroad may incur additional charges. Consult with your service provider for more information. 1 On the home screen, tap . . 2 Tap 3 Specify a recipient and create a message. • To use multimedia options, tap . • To access optional menu items, tap . 4 Tap to send the message. Reading a message You can view exchanged messages organised by contact. 1 On the home screen, tap .
Configuring messaging settings You can change messaging settings to suit your preferences. 1 On the home screen, tap . 2 Tap Settings from the message list. • You can designate settings for the notice window, blocking calls, disaster alert, multimedia messages, etc. Camera Starting the camera You can take a photo or record a video to cherish all of your memorable moments. On the home screen, tap . • Before taking a photo or recording a video, wipe the camera lens with a soft cloth.
Taking a photo You can take photos with the camera in the product. 1 Tap and focus on the subject. • You can touch the subject to focus on. • You may spread or pinch two fingers to zoom in or out. 2 Tap to take a photo. • You can also press the Volume Down or Volume Up key to take a photo. • You can take a photo while recording a video by pressing on the screen. • The options displayed on the shooting screen may differ depending on the selected camera (front or rear) and camera mode.
Customising the camera options You can customise a variety of camera options to suit your preferences. Tap on the screen. • Available options vary depending on the selected camera (front or rear camera) and the selected camera mode. Photo size Select values for aspect ratio and size for taking photos. HDR Obtain photos in vivid colours and get compensated effects even when they are taken against the light. These functions are provided by the high dynamic range (HDR) technology equipped in the camera.
Additional options on the front camera Selfie distortion correction Corrects distorted parts of the face. Save as flipped Saves as flipped images when taking a selfie. Selfie shot Take a selfie by selecting its option between Gesture shot and Auto shot. • You can apply the make-up effect when taking a selfie using the front camera. • Gesture shot is taken by recognizing the shape of a hand and Auto shot is taken by recognizing a face.
Using camera modes Recording a video 1 Tap and select Video by swiping camera modes. 2 Tap to record a video. • To take a photo while recording a video, tap . • To pause the video recording, tap . To resume the video recording, tap . • While recording a video, you may spread or pinch two fingers to zoom in or out. • While recording a video, you may tap the desired area to adjust the brightness. 3 Tap to end the video recording.
Taking a photo Tap and select Photo by swiping camera modes. See Taking a photo for more details. Taking a photo with the AI feature When taking a photo, the AI feature recognises a subject and applies the optimum effect to the photo. • Tap to deactivate the AI feature. Using additional camera modes Tap and select More by swiping camera modes. Flash Jump-Cut Photos taken at a regular interval are saved as GIF files. 1 Tap , then tap More 2 Tap to take a photo. .
YouTube Live You can record a video and directly upload to YouTube. To use this feature, you must meet the eligibility requirements. Contact YouTube for the requirements. 1 On the home screen, tap . 2 Select More by swiping camera modes, then tap . • YouTube Live is available only when your device is connected to the Internet. If you use mobile data, you may be charged for data usage, depending on your pricing plan.
Useful camera features Google Lens You can get more information or take action on items around you using Google Lens, like landmarks, posters, restaurant menus, animals, flowers, or barcodes, directly in the device. Auto-Exposure/Auto-Focus lock You can fix the current exposure level and focus position by touching and holding the screen in the Auto mode. To turn off the feature, tap a blank area on the screen. • This feature is available only in specific modes.
Switching between cameras You can switch between the front and rear cameras to suit your environment. • To switch between the front and rear cameras, swipe the screen up or down on the shooting screen in the Camera app. • Use the front camera to take selfies. See Selfie shot for details. Zoom in or out You may spread or pinch two fingers to zoom in or out when you take photos or videos. • Zoom in/out function is not available in the selfie mode (front camera).
Using the Burst Shot You can take consecutive photos and view them as moving pictures in the Gallery. 1 Tap and select Photo. 2 Tap and hold . • Multiple, consecutive photos are taken while you are holding down . Gesture shot You can take selfies by using gestures. Show your palm to the front camera and then clench your fist. You can also clench your fist and then open it towards the front camera. • In three seconds, a photo is taken.
Auto shot You can use the face detection feature to take selfies easily and conveniently. You can set the device so that, when you look at the screen, the front camera detects your face and takes a selfie automatically. • The white coloured guide frame appears when the front camera detects your face. If the subject within the guide frame stops moving, the guide frame colour turns yellow, then the camera takes a photo. • Tap Selfie shot Auto shot to enable the Auto shot feature.
Gallery Gallery overview You can view and manage photos and videos saved on your device. Viewing photos You can view the photos saved to the product. 1 Tap and select a desired folder. 2 Tap a desired photo. • The Gallery folder contains Photos, Albums and Play. • Details menu appears when the screen is lightly touched. Touching the screen once again makes the menu disappear.
Playing a video You can view the videos saved to the product. • To adjust the sound volume, drag the right side of the video screen up or down. • To adjust the screen brightness, drag the left side of the screen up or down. • Dragging the screen to the left on the video play screen allows you to rewind (REW) and dragging to the right allows you to fast forward (FF).
Deleting files You can delete files by using one of the following options: • Touch and hold a file from the file list, then tap Delete. Trash and they can be • Deleted files are automatically moved to restored to the Gallery within 7 days. • Tap to completely delete the files. In this case, the files cannot be restored. Sharing files You can share files by using one of the following options: • While viewing photo or video, tap to share the file by using the method you want.
Creating a movie You can create a new movie by putting images and videos together. 1 Tap and select Create movie. 2 Select images or videos for your movie and tap Create movie. 3 Edit the selected images and videos and then tap Save. • A maximum of 50 videos can be used to create a movie.
Making a GIF You can easily make a GIF file using recorded video. Making a GIF. Tap and select Creating video 1 At the desired starting point while watching a video, tap 2 Select the length of the GIF you want to create. . • GIF is generated for the time selected from the specified starting point. • For videos that are less than 5 seconds, GIF images are automatically generated for the remaining time. Creating GIF Photographs 1 In the photograph list in the Gallery, tap Create GIF.
Contacts Contacts overview You can save and manage contacts. On the home screen, tap Essentials Contacts. Adding contacts Adding new contacts 1 On the contact list screen, tap . • A pop-up appears for selecting the saving location for contact. Select the location you want. 2 Enter contact details and tap Save. Importing contacts You can import contacts from another storage device. 1 On the contact list screen, tap Manage contacts Import.
Searching for contacts You can search for contacts by using one of the following options: • Tap the search bar at the top of the Contacts screen and enter the desired contact or phone number you want to search for. • Scroll the contact list up or down. • From the index of the contact list screen, tap the initial letter of a contact.
Adding favourites You can register frequently used contacts as favourites. 1 On the contact list screen, select a contact. 2 On the contact detail screen, tap . Creating groups 1 On the contacts group list, tap . 2 Enter a new group name. 3 Tap Add members, select contacts, then tap Add. 4 Tap Save to save the new group.
• • • : Erase handwritten notes. : Change into the calligraphy font as you write by hand. : Access additional options. 3 Tap to save the note. Writing notes on a screenshot 1 While viewing the screen you want to capture, drag the status bar downwards and then tap . • The screen is captured and displayed as a thumbnail on the right bottom of the screen. 2 To write notes on the screen, tap . 3 Write notes using the tools. • • • • • • : Zoom in or out, or adjust the area to capture.
Additional features after capturing a screenshot • You can capture the entire screen by using the scroll capture feature. • While using an app such as Messaging and Chrome, drag the notifications panel downwards and then tap . Then, tap to capture the entire screen you are currently viewing as a single file. • This feature is available only on some apps that support the scroll capture feature. • Pinch two fingers or spread your fingers apart to change the memo layout.
Clock Alarm You can set an alarm to trigger it at a specified time. 1 On the home screen, tap Essentials Clock Alarm. 2 Tap to add a new alarm. 3 Configure the alarm settings and tap Save. • If you select a previously set alarm, you can edit the alarm. Delete at the top of the screen. You can also • To delete an alarm, tap touch and hold the alarm. World clock You can view the current time in cities around the world. 1 On the home screen, tap Essentials Clock World clock. 2 Tap and add a city.
Stopwatch You can use the stopwatch to record a lap time. 1 On the home screen, tap Essentials Clock Stopwatch. 2 Tap Start to initiate the stopwatch. • To record a lap time, tap Lap. 3 Tap Pause to suspend the stopwatch. • To resume the stopwatch, tap Resume. • To clear all the records and restart the stopwatch, tap Reset. Calculator You can use two types of calculators: the simple calculator and the scientific calculator. 1 On the home screen, tap Essentials Calculator.
Music You can play and manage songs or music albums. 1 On the home screen, tap Essentials Music. 2 Select a category. 3 Select a music file. • Some file formats may not be supported, depending on the installed software. • Files that exceed the size limit may cause an error. • Music files may be protected by international copyright owners or copyright laws. You may have to obtain legal permission before copying a music file.
ThinQ You can easily connect the product with IoT appliances to monitor and conveniently use the appliances. On the home screen, tap Essentials ThinQ. • Washing machine, dryer, styler, dishwasher, oven, and robot cleaner can only be registered when the product is in the standby mode. • Look for the ThinQ mark on the product to see if it can be connected to ThinQ app. • Tap to check various function of the ThinQ app. FM Radio You can listen to FM radio. On the home screen, tap Essentials FM Radio.
Audio Recorder You can record and save your voice or others’ voices from important events. Recorded voice files can be played back or shared. 1 On the home screen, tap Essentials Audio Recorder. Add tags Add under Event. Then, add an • To add an event, tap event to the desired date. Add tags Add • To save the recording’s location details, tap under Location. 2 Tap . • To pause recording, tap . 3 Tap to end the recording. • The file is saved automatically and the recorded files screen appears.
Smart Doctor You can use Smart Doctor to diagnose the device’s condition and optimise it. On the home screen, tap Management Smart Doctor. LG Mobile Switch Easily transfer data from a used device to a new device via LG Mobile Switch. 1 On the home screen, tap Management LG Mobile Switch. You can also tap Settings System Backup LG Mobile Switch. • If the app is not installed on the product, download and install the LG Mobile Switch app from the Google Play Store.
App trash You can see the list of apps deleted on the home screen. The app that was deleted within the last 24 hours can be recovered. On the home screen, tap Management App trash. For more details, refer to App trash. RemoteCall Service Your device can be remotely diagnosed for resolving issues. First, make a phone call to an LG Customer Service Centre as follows: • To use this function, first you must agree to usage of the function.
Google apps You can use Google apps by setting a Google Account. The Google Account registration window appears automatically when you use a Google app for the first time. If you do not have a Google Account, create one from your device. For details on how to use an app, see the Help in the app. • Some apps may not work depending on the area or service provider. Calendar The Calendar app allows you to track your schedule of events (that you created), organised by Day, 3-day, Week or Month.
Google The Google app keeps you in the know about the things you care about. Find quick answers, explore your interests, and get a feed of stories and updates on topics that matter to you. Maps Going somewhere? Go with Maps, the app you can rely on for real-time GPS navigation, traffic, transit, and details about millions of places, such as reviews and popular times. Photos Home for all your photos and videos, automatically organised so you can share and save what matters.
Assistant Your device has the Google Assistant built-in. Find answers and get things done while on-the-go. To get started, just tap the Google Assistant key on the side of the phone or touch and hold the home button of the phone. • The Google Assistant is not available in certain languages and countries. Files You can view and manage files saved on your device.
04 Settings
Settings You can customise the device settings in accordance with your preferences. On the home screen, tap Settings. • If you enter a keyword on the search window at the top of the screen, you can conveniently run the items that need to be set. Network & internet Dual SIM card You can configure Dual SIM settings. 1 On the settings screen, tap Network & internet Dual SIM Card. 2 Customise the following functions: • SIM card 1: Change the name and icon of the SIM card 1.
Wi-Fi You can connect to nearby devices over a Wi-Fi network. Connecting to a Wi-Fi network 1 On the settings screen, tap Network & internet to activate it. 2 Tap Wi-Fi. • Available Wi-Fi networks appear automatically. 3 Select a network. • You may need to enter the network’s Wi-Fi password. • The device skips this process for previously accessed Wi-Fi networks. If you do not want to automatically connect to a certain Wi-Fi network, tap the network and then tap Forget.
Wi-Fi Direct You can connect your device to other devices that support Wi-Fi Direct to share data directly with them. You do not need an access point. You can connect with more than two devices by using Wi-Fi Direct. 1 On the settings screen, tap Network & internet Wi-Fi Advanced Wi-Fi Wi-Fi Direct. • Nearby devices that support Wi-Fi Direct automatically appear. 2 Select a device. • Connection occurs when the device accepts the connection request. • The battery may drain faster when using Wi-Fi Direct.
Call You can customise call settings, such as voice call and international call options. • Some features may not be supported depending on the area or service provider. 1 On the settings screen, tap Network & internet Call. 2 Customise the settings. Tethering USB tethering You can connect the device to another device via USB and share mobile data. 1 Connect your device and other devices via USB cable. 2 On the settings screen, tap Network & internet Tethering USB tethering and then tap to activate it.
Wi-Fi hotspot You can set the device as a wireless router so that other devices can connect to the Internet by using your device’s mobile data. 1 On the settings screen, tap Network & internet Tethering Wi-Fi hotspot and then tap to activate it. 2 Tap Set up Wi-Fi hotspot, and enter the Wi-Fi name (SSID) and password. 3 Turn on Wi-Fi on the other device, and select the name of the device network on the Wi-Fi list. 4 Enter the network password.
• This option uses mobile data and may incur data usage fees, depending on your pricing plan. Consult with your service provider for more information. • More information is available at this web site: http://www.android.com/tether#Bluetooth_tethering Help You can view help on using tethering and hotspots. On the settings screen, tap Network & internet Tethering Help. Airplane mode You can turn off the call and mobile data functions.
VPN You can connect to a safe virtual network, such as an intranet. You can also manage connected virtual private networks. Adding VPN 1 On the settings screen, tap Network & internet 2 Tap . VPN. • This feature is available only when the screen lock is activated. If the screen lock is deactivated, a notification screen appears. Tap Change from the notification screen to activate the screen lock. See Setting a screen lock for details. 3 Enter VPN details and tap Save.
Connected devices Bluetooth You can connect your device to nearby devices that support Bluetooth to exchange data with them. Connect your device to a Bluetooth headset and a keyboard. This makes it easier to control the device. Pairing with another device 1 On the settings screen, tap Connected devices to activate it. 2 Tap Bluetooth. • Available devices appear automatically. • To refresh the device list, tap . • Only devices set as visible are displayed on the list. 3 Select a device from the list.
NFC You can use the device as a transportation card or credit card. You can also share data with the other device. 1 On the settings screen, tap Connected devices NFC. to activate it. 2 Tap • Touch your device with other device that supports NFC to allow sharing data. • NFC antenna may be located differently depending on the device type. See Parts overview for details about the NFC antenna area. Sharing panel You can share contents from Gallery, Music and File Manager with nearby devices.
File sharing You can send and receive files between your device and other LG devices or tablets. 1 On the settings screen, tap Connected devices File sharing. 2 Customise the following settings: • K42: Change the device name. • Save to: Set the destination folder to save files sent from other devices in. • File sharing: Permit receipt of files sent from other devices. • SmartShare Beam: Share files with other devices via SmartShare Beam. • Help: You can view help on sharing files.
Sound You can customise sound, vibrate and notification settings. On the settings screen, tap Sound and customise the following settings: • Sound profile: Change the sound mode to Sound, Vibrate only, or Silent. • Volume: Adjust the sound volume for various items. • Ringtone: Select a ringtone for incoming calls. Add or delete ringtones. • Notification sound: Select a notification ringtone. Set music saved on the device as a notification ringtone.
• Vibration type: You can select the type of vibration when receiving calls. • Vibrate on tap: Set the device to vibrate when you tap certain items on the screen. • Dialing keypad sound: Select the keypad sound effect. • Touch sound: Select a sound effect for tapping an item. • Screen lock sound: Select a sound effect when the screen is locked or unlocked. Notifications You can check a list of installed apps, and configure the settings for notifications. 1 On the settings screen, tap Notifications.
• Comfort view: Set the device to reduce amount of blue light on screen to reduce eye strain. • Night mode: You can apply a dimmed screen theme to avoid glare on the screen at night time. • Accent color: Change the point color for settings, menus, notification windows, etc. • Font: Change the font size, bold text or type. • Display size: Set the items on the screen to a size easy for you to see. Some items may change position. • Full screen apps: Adjust the screen size of apps.
Wallpaper & theme You can select wallpaper, screen theme, icon style or AOD (Always-on Display) for your device. 1 On the settings screen, tap Wallpaper & theme. 2 Tap Wallpaper or Theme to customise the settings. Lock screen & security You can customise lock screen and security settings. 1 On the settings screen, tap Lock screen & security. 2 Customise the settings. • Google Play Protect: Scan your device daily for potentially harmful apps. • Find My Device: Remotely track the device location.
• • • • • -- Credential protection: View the type of the storage where the security certificate will be saved. -- Trusted credentials: View your system’s root CA certificates and user-installed CA certificates. -- User credentials: View and change secure certificate information stored on your device. -- Install from storage: Install a secure certificate from a storage. -- Clear credentials: Delete user-installed secure certificates and related credentials.
Privacy You can find and adjust all your privacy settings. 1 On the settings screen, tap Privacy. 2 Customise the settings. • Permission manager: Allows you to check and change the permissions granted to the apps. • Lock screen: Allows you to set notifications to show on the lock screen. • Make passwords visible: Enable this option to briefly show each character of the password as you type it so you can see what you’ve entered.
Location You can check how your location information is shared and configure the permission to access your location information. On the settings screen, tap Location and set the desired function. Extensions Smart Doctor You can use Smart Doctor to diagnose the device’s condition and optimise it. On the settings screen, tap Extensions Smart Doctor. Gaming You can configure settings for game tools, graphics and battery saving feature. 1 On the settings screen, tap Extensions Gaming.
Dual App You can install duplicate messenger apps on the product and use two accounts at the same time. 1 On the settings screen, tap Extensions Dual App. 2 After reading the disclaimer, tap Confirm. 3 In the list of available apps, tap Install to install a copy of a desired app and follow the on-screen instructions. • On the screen, the list of available dual apps is shown. During installation, app icons are generated on the home screen.
KnockON Double-tap the screen to turn the screen on or off. See KnockON for details. Apps You can check a list of installed apps, and configure the settings for notifications, app permissions, and more. 1 On the settings screen, tap Apps. 2 Customise the settings. Battery You can view the current battery information or turn on power-saving mode. 1 On the settings screen, tap Battery. 2 Customise the following settings: • Battery usage: View the battery usage details.
Storage You can view and manage internal storage on the device or storage space of the memory card. 1 On the settings screen, tap Storage. 2 Customise the following settings: • Internal storage: View the total storage space and free space in the device’s internal storage. View a list of apps in use and the storage capacity for each app. • SD card: View the total storage space and free space in the memory card. This option appears only when a memory card is inserted. To unmount the memory card, tap .
Google You can use Google settings to manage your Google apps and account settings. On the settings screen, tap Google. System Update centre You can check and install the latest version of the app or software provided by LG. 1 On the settings screen, tap System Update center. 2 Customise the following settings: • App Updates: Check if an app update is available. If available, you can install the update. • Software Update: Check if a software update is available.
• Physical keyboard: Select to use the physical keyboard, or check keyboard shortcut keys. • Spell checker: Allows you to set various options for the Google Spell Checker. • Auto-fill service: Enable this option to enter your information saved in your account such as password, address, or credit card number with a single tap. You can also disable this option, use Google Autocomplete, or add a new service account. • Text-to-speech output: Configure the settings for text-to-speech output.
Backup You can back up data saved on your device to another device or account. 1 On the settings screen, tap System Backup. 2 Customise the following settings: • LG Mobile Switch: Allow you to transfer data from an old LG device to your new LG device. See LG Mobile Switch for details. • Backup & restore: Back up your device data or restore data to your device from a backup. • Resetting your device may delete backup files saved in storage. Make sure to copy and store the important backup files to your PC.
• You can set the device to restart itself once a week. The device automatically restarts in an hour from the preset time. • Once the device restarts, notifications and badges are erased. Save important data before the preset time. • The Auto-restart feature is not activated in the following situations: When the screen is turned on, when the device is in use, when the battery level is 30% or less, or when the USIM card is locked.
Accessibility You can manage accessibility plug-ins installed on your device. 1 On the settings screen, tap Accessibility. 2 Customise the following settings: • Vision TalkBack: Set the device to notify screen status or actions via voice. • Vision Voice notifications: Set the device to read the caller information via voice. • Vision Font: Change the font size, bold text or type. • Vision Display size: Set the items on the screen to a size easy for you to see. Some items may change position.
• Hearing Mute all sounds: Mute all sounds and lower volume on the receiver. • Hearing Audio channel: Select the audio type. • Hearing Sound balance: Adjust the audio output balance. Use the slide bar to change the balance. • Motor & cognition Touch assistant: Turn on the touch board to make buttons and gestures easier to use. • Motor & cognition Touch input: Enter text by touching and holding the screen or modify it by simply touching the screen.
05 Appendix
LG Language Settings Select a language to use on your device. • On the home screen, tap Settings System Language & keyboard Language Add language, and select a language. -- Touch and hold and drag it to the top of the language list to set it as a default language. LG Bridge LG Bridge overview You can back up contacts, photos and more to the computer or update the device software. • See LG Bridge help for details. • The supported features may vary depending on the device.
Installing LG Bridge on a computer 1 2 3 4 Go to www.lg.com from your computer. Select your region. Click Support Software & Firmware. Enter the name of your device. OR Select by the Product Category. 5 Go to PC Sync LG Bridge to download the setup file. • Go to Details to view the minimum requirements for installing LG Bridge. Phone software update LG Mobile phone software update from the Internet For more information about using this function, please visit http://www.lg.com/common/index.
LG Mobile Phone software update via Overthe-Air (OTA) This feature allows you to conveniently update your phone’s software to a newer version via OTA, without connecting a USB cable. This feature will only be available if and when LG makes a newer firmware version available for your device. To perform the phone software update, Settings System Update center Software Update Check now for update.
Anti-Theft Guide Set up your device to prevent other people from using it if it's been reset to factory settings without your permission. For example, if your device is lost, stolen, or wiped, only someone with your Google Account or screen lock information can use the device. All you need to make sure your device is protected is: • Set a screen lock: If your device is lost or stolen but you have a screen lock set, the device can't be erased using the Settings menu unless your screen is unlocked.
Open Source Software Notice Information To obtain the source code under GPL, LGPL, MPL, and other open source licenses, that is contained in this product, please visit http://opensource.lge.com. In addition to the source code, all referred license terms, warranty disclaimers and copyright notices are available for download.
Trademarks • Copyright ©2020 LG Electronics Inc. All rights reserved. LG and the LG logo are registered trademarks of LG Group and its related entities. • Google, Google Maps, Gmail, YouTube, Google Duo, Google Play, Android, Chrome, Google Photos, Google Play Protect, Google Calendar, Google Docs, Google Drive, Google Sheets and other related marks and logos are trademarks of Google LLC. • Bluetooth® is a registered trademark of Bluetooth SIG, Inc. worldwide.
Laser safety statement Caution! This product employs a Laser system. To ensure proper use of this product, please read this owner’s manual carefully and retain for future reference. Should the unit require maintenance, contact an authorised service centre. Use of controls, adjustments, or the performance of procedures other than those specified herein may result in hazardous radiation exposure. To prevent direct exposure to laser beam, do not try to open the enclosure or make direct contact with the laser.
Contact office for compliance of this product LG Electronics European Shared Service Center B.V.
More information Tempered glass parts Tempered glass parts of this device are not permanent and they may wear out over time. • If you drop your device on a hard surface or subject it to severe impact, the tempered glass may be damaged. If this happens, stop using your device immediately and contact an LG Customer Service Center. • You can purchase protective cases to protect your device from damage on the market.
Guide to data transfers • For the data that can be exchange between LG devices or between the LG device and a third party device, see the following table.
Supported Frequency Bands Transmitter Output power GSM 900 33.7 dBm GSM 1800 30.7dBm WCDMA VIII 25.2dBm WCDMA I 24.7dBm LTE B28 25.2 dBm LTE B20 25.2 dBm LTE B8 25.2 dBm LTE B3 24.7 dBm LTE B1 24.7 dBm LTE B7 24.7 dBm LTE B40 24.7 dBm LTE B38 24.7 dBm BT 2.4GHz 6.98dBm WLAN 2.4GHz 13.09 dBm NFC -18.27 dBm Travel Adapter Information can be found at http://www.lg.
Disposal of your old appliance 1. This crossed-out wheeled bin symbol indicates that waste electrical and electronic products (WEEE) should be disposed of separately from the municipal waste stream. 2. Old electrical products can contain hazardous substances so correct disposal of your old appliance will help prevent potential negative consequences for the environment and human health.
FAQ This chapter lists some problems you might encounter when using your device. Some problems require you to call your service provider, but most are easy to fix yourself. SIM card error Make sure the SIM card is correctly inserted. No network connection or dropped network Signal is weak. Move to a window or an open area. You are outside the carrier network area. Move and check the network. Calls are not available New network not authorised.
Error messages appear when launching the camera Charge the battery. Free some memory by transferring files to a computer or deleting files from your device. Restart the device. If you are still having trouble with the camera app after trying these tips, contact a LG Electronics Service Centre. The photo quality is poor The quality of your photos may vary, depending on the surroundings and the photography techniques you use. If you take photos and videos, standard angle quality is better than wideangle.
Hangs or freezes Restart the device • If your device freezes or hangs, you may need to close apps or turn the device off and then on again. Perform a boot-up • A soft reset may be used to reset the device if the screen freezes, or the buttons, touch screen or device are no longer responding. • To perform a soft reset of your device, simply press and hold the Volume Down and Power keys until the device restarts.
Bluetooth device is not located Make sure the Bluetooth wireless feature is activated on your device. Make sure the Bluetooth wireless feature is activated on the device you wish to connect to. Make sure your device and the other Bluetooth device are within the maximum Bluetooth range (10 m). If the tips above do not solve your problem, contact a LG Electronics Service Centre.
