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ZTE G650/G651/G420/G120 GoTa Digital Trunking Phone User Manual
11.4 Troubleshooting
Symptoms
Power-on
Failure
Auto Power-off
Inadequate
Standby Time
Network
Connection
Failure
PTT Call Failure
Call drop during
a call
No ring for a
incoming call
Prompt to input
PUK
If the problems cannot be solved after the above handling, you may contact our
customer service personnel, or feed back your information directly by sending
emails to zte_mobile@zte.com.cn. We will reply to you as soon as possible.
76
Possible Causes
Inadequate battery
capacity
Poor battery contact
Seriously poor battery
capacity
Deceasing of battery
performance
Poor network signal
Poor network signal
Out of the service area
Service unavailable
Network disconnected
Poor network signal
The phone is set to
Silence, or the ring
volume is set to 0
R-UIM card is locked
due to successive
inputting false PIN
code for three times
Solutions
Charge the battery
Re-install the battery
Recharge the battery
Replace the battery
Power off as network
signal is poor
Move to other places
Confirm whether it is
in the CDMA network
service area
Contact the operators
Refer to "Network
Connection Failure"
Move to other places
Enter Profiles and
change the mode; or
check the ring volume
Contact the operators
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