ZTE Corporation X160 Manuale Utente

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Appendix
 8
 
 
65
8.3 Failure Analysis 
Symptoms 
Possible Causes 
Solutions 
Inadequate battery power 
Charge the battery 
Power- on 
Failure 
Poor battery contact 
Re-install the battery 
Automatic  
power- off 
Seriously poor battery power 
Recharge the battery 
Deceasing of battery 
performance 
Replace the battery 
Inadequate 
standby time 
Poor network signal 
Move to other places 
Poor network signal 
Move to other places 
Network 
connection 
failure 
Out of the service area 
Confirm whether it is in the 
CDMA network service area 
Call drop during 
a call 
Poor network signal 
Move to other places 
No ring for a 
incoming call 
The phone is set to Silence, 
or the volume for incoming call 
ringtone is set to 0. 
Enter [Settings] and set the 
mode as non-mute; or check 
ringtone volume. 
Prompt to input 
PUK
 
R-UIM card is locked due to 
successive inputting false PIN 
code for three times. 
Contact with operators.