Zte GR830, Руководство пользователя

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8.2 Failure Analysis
Symptoms Possible Causes Solutions
Unable to turn on the phone
Inadequate battery capacity Charge the battery
Poor contact Reinstall the battery
Automatic power-off Seriously poor battery capacity Recharge the battery
Inadequate standby time
Deceasing of battery
performance
Replace the battery
Poor network signal
Turn off the phone as the signal
is poor.
Unable to connect the
network
Poor network signal Move to other places
Out of the service area
Make sure your phone is in
GSM network service area
Call drop Poor network signal Move to other places
Do not ring upon incoming
calls
Set “Silent”
Enter “User Profile” to change
“Silent” to other mode or check
the ringing volume.