7
5
、
Solutions for abnormal problems
1) The system prompts that the app cannot be installed
Confirm whether it matches the system.
Check the memory capacity and clean up properly.
2)
Cannot receive SMS and phone calls
Turn off incoming call and SMS blocking function.
Restart or restore factory settings.
3) SIM card cannot be recognized
Wipe the SIM card metal sheet with a rubber.
Reinstall the SIM card.
Replace with a new card.
4)
Charging problem
Confirm the connection status
.
The charging status will not be displayed when the
amount is low. After charging for ten minutes, plug it in
again.
