User's Guide
Table Of Contents
- About This Guide
- Getting Started
- Personalizing
- Changing the System Language
- Setting the Date and Time
- Changing the Ringtone, Notification Sound, and Alarm Sound
- Turning System Sounds On/Off
- Adjusting Volumes
- Switching to Silent or Vibration Mode
- Using Do Not Disturb Mode
- Applying New Wallpapers
- Setting the Theme
- Setting the Home Screen Transition Effect
- Changing the Screen Brightness
- Protecting Your Phone With Screen Locks
- Protecting Your Phone With Screen Pinning
- Using Your Fingerprint
- Knowing the Basics
- Connecting to Networks and Devices
- Phone Calls
- Contacts
- Web Accounts
- Messages
- Web Browser
- Camera
- Music
- Video Player
- Voice Recorder
- More Apps
- Settings
- Upgrading the Phone Software
- Troubleshooting
- For Your Safety
125
Problem Possible Causes Possible Solution
Echo or noise
Poor network link quality
on the part of your
service provider.
End the call and dial
again. You may be
switched to a
better-quality network
link or phone line.
Poor local telephone line
quality.
End the call and dial
again. You may be
switched to a
better-quality network
link or phone line.
Unable to
select certain
features
Your service provider
does not support these
features, or you have not
applied for services that
provide these features.
Contact your service
provider.
Cannot
charge the
battery
The battery or battery
charger is damaged.
Contact the dealer.
The phone’s temperature
is below 32°F (0°C) or
higher than 95°F (35°C).
Adjust the battery
charging environment to
avoid extremes of
temperature.
Poor contact between the
battery and charger.
Check all connectors to
ensure that all
connections have been
properly made.