User manual
Table Of Contents
- Getting Started
- Personalizing
- Changing the System Language
- Setting the Date and Time
- Changing Ringtone, Notification or Alarm Sound
- Turning System Sounds On/Off
- Adjusting Volumes
- Switching to Vibration or Silent (Do Not Disturb) Mode
- Setting Silent (Do Not Disturb) Mode Preferences
- Applying New Wallpapers
- Setting the Home Screen Transition Effect
- Changing Screen Brightness
- Protecting Your Phone With Screen Locks
- Protecting Your Phone With Encryption
- Protecting Your Phone With Screen Pinning
- Knowing the Basics
- Connecting to Networks and Devices
- Phone Calls
- Contacts
- Messaging
- Camera
- Gallery
- Video
- Voice Recorder
- More Apps
- Settings
- Troubleshooting
- For Your Safety
68
Problem Possible Causes Possible Solution
There is debris on the nano-SIM card
contacts.
Use a soft, dry cloth to clean the
nano-SIM card contacts.
Unable to
connect to the
network
The nano-SIM card is invalid. Contact your service provider.
You are not within the network’s service
area.
Check the service area with your
service provider.
Poor signal.
Move to an open space, or if you are
inside a building, move closer to a
window.
Cannot answer
incoming calls
You have activated the Call blocking
feature.
Disable this feature. Open the Phone
app and touch > Settings > Call
blocking. Touch > UNBLOCK
next to the number you want to
unblock.
PIN Code blocked
You have entered an incorrect PIN code
three consecutive times.
Contact your service provider. If the
service provider provides the nano-
SIM card’s PUK code, use the PUK
code to unlock the nano-SIM card.
Phone crashes,
reboots, freezes,
or cannot be
powered on
Some third-party software is not
compatible with your phone.
Uninstall the software that may be
causing the problem.
Upgrade the phone software.
Reset the phone to factory status.