shutdown.
Turn off the device or close any running apps or features,
and let the device cool down.
•
The screen brightness and the operating speed may be limited
to cool down the device. Any running apps or features may slow
down or stop. The device may stop charging.
SIM card error
Make sure the SIM card is correctly inserted.
No network connection or dropped
network
Signal is weak. Move to a window or an open area.
You are outside the carrier network area. Move and check the
network.
Calls are not available
New network not authorised.
Make sure you have not set call barring for the incoming number.
Make sure you have not set call barring for the number you are
dialing.
Device cannot be turned on
When the battery is completely discharged, your device will not
