User manual
Table Of Contents
- Getting Started
- Personalizing
- Changing the System Language
- Setting the Date and Time
- Changing Ringtone and Notification Sound
- Turning On/Off System Sounds
- Adjusting Volume
- Switching to Silent or Vibration Mode
- Selecting Headset HiFi Mode
- Applying New Wallpapers
- Changing Screen Brightness
- Setting the Theme
- Setting the Home Screen Transition Effect
- 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
- Web Accounts
- Messaging
- Calendar
- Web Browser
- Camera
- Gallery
- Music
- Video Player
- FM Radio
- Sound Recorder
- More Apps
- Google Play ™ Store
- Settings
- Upgrading the Phone Software
- Troubleshooting
- For Your Safety
170
Problem Possible causes Possible solution
You have activated the
Call barring feature.
Disable this feature. For
more information, see
Bar Certain Calls.
Cannot
make
outgoing
calls
You have activated the
Fixed dialing numbers
feature.
Disable this feature. For
more information, see
Use Fixed Dialing
Numbers.
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.
Uninstall the software
that may cause the
problem.
Upgrade the phone
software.
Phone
crashes,
reboots,
freeze, or
cannot be
powered on
Some third-party
software is not
compatible with your
phone.
Reset the phone to
factory status.