User manual
Table Of Contents
- Getting Started
- Personalizing
- Changing the System Language
- Setting the Date and Time
- Changing the Phone, Notification, or Alarm Ringtone
- Turning System Sounds On/Off
- Adjusting Volumes
- Switching to Silent or Vibration Mode
- Applying New Wallpapers
- Changing the Screen Brightness
- Protecting Your Phone With a Screen Lock
- Protecting Your Phone With Encryption
- Knowing the Basics
- Connecting to Networks and Devices
- Phone Calls
- Contacts
- Messaging
- Calendar
- Browser
- Camera
- Gallery
- Music
- Video
- FM Radio
- Sound Recorder
- More Features
- Settings
- Troubleshooting
- For Your Safety
100
Problem Possible causes Possible solution
The nano-SIM card is
inserted improperly.
Insert the nano-SIM card
properly.
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 make
outgoing calls
You have activated the
Fixed Dialing Numbers
feature.
Disable this feature. See
Phone Calls – Adjusting Your
Call Settings – Using 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.