User Manual
Table Of Contents
- Table of Contents
- Introduction
- Get Started
- Basic Operations
- Your Phone Interface
- Phone App
- Messaging and Internet
- Camera and Video
- Useful Features
- Connectivity
- Global Services
- Settings
- Basic Settings
- Wi-Fi Settings Menu
- Wi-Fi Calling Settings
- Bluetooth® Settings
- Call Settings
- Data Usage Settings
- More Settings
- Default SMS App Settings
- Virtual Private Networks (VPN)
- Home
- Harman/Kardon Audio Settings
- Sound Settings
- Display Settings
- Clip Now Settings
- Storage Settings
- USB Connection Settings
- Battery Settings
- App Settings
- Location Access Settings
- Security Settings
- Lock Screen Settings
- Language & Input Settings
- Backup & Reset
- Accounts
- Date & Time Settings
- Accessibility Settings
- Printing
- Activate This Device
- System Updates
- About Phone
- Copyright Information
- For Assistance
- Index
For Assistance
The following topics address areas of support for your phone, including troubleshooting, specifications,
account information, warranty information, and customer service contact information.
Troubleshooting
Check the questions and answers below for troubleshooting solutions for common phone issues.
Check Here First
Question: Phone does not turn on.
Answer: Are you holding the Power key down? Continue pressing the Power key until the logo is
displayed.
Answer: Is the phone charged? Recharge the phone if not charged.
Question: Phone turns off/does not turn on.
Answer: If you continue using your phone while it is warm, a caution is displayed and your phone
turns off in 3 minutes. Exit any apps and turn off the screen to let the phone cool down.
Question: Phone freezes/operation is unstable.
Answer: If your phone freezes or you cannot operate it, you can force your phone to turn off. Press
and hold the Power key for 8 seconds or more.
Answer: Release the Power key once your phone vibrates. Your phone turns off.
Question: Operation is unstable after a new application was installed.
Answer: The newly installed application may be the cause. Uninstall the application in Safe mode.
See Uninstall an App. To turn the phone on in Safe mode:
Press and hold the Power key > touch and hold Power off, read the disclaimer for safe mode,
and then touch OK.
• After turning the phone on in Safe mode, “Safe Mode” appears at lower left.
• After restarting in Safe mode, your phone can be powered on as usual.
• Before turning the phone on in Safe mode, it is recommended that you back up important
data.
• By powering the phone on in Safe mode, added widgets may be deleted.
Question: Phone starts operating on its own without touching the screen/phone does not respond to
screen touch.
For Assistance 378