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
- Knowing the Basics
- Connecting to Networks and Devices
- Phone Calls
- Contacts
- Web Accounts
- Message+
- Web Browser
- Camera
- Gallery
- Music
- Video Player
- Voice Recorder
- More Apps
- Settings
- Upgrading the Phone Software
- Troubleshooting
- Specifications
149
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.