ZTE Corporation ZTEZTEWP658 Manual De Usuario

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Confidential and Proprietary Information of ZTE CORPORATION 17
C h a p t e r 
  16 
 
Troubleshooting 
If your phone appears following phenomenon in the process of application, read following relative 
information at first. If the problems still can not be solved, please contact with the distributor or 
service provider. 
Problem Check 
Point 
When switching on the phone, it prompts “Enter PIN 
1”. 
Input your PIN code which offered with SIM card 
together. If you have changed PIN code, input the 
new PIN code. 
When switching on the phone, it prompts “Emergency 
Only”. 
Check whether valid SIM card is inserted or not. 
When switching on the phone, it prompts “Enter 
phone code”. 
Enter lock code you set already to unlock the phone. 
No ring tone prompt for a incoming call. 
Check volume setting of ring tone. 
No display on screen when disconnect external power 
supply. 
Check whether the battery has electricity, or it is 
damaged; or power on the phone again. 
Press CALL/REDIAL key, but no number is sent. 
Check whether you have set call barring. 
Certain call cannot be received. 
Check whether the number is restricted. 
Cannot send short messages. 
Check the network condition, or message center 
setting. 
Other abnormal phenomenon. 
First refer to the user manual, and then check whether 
the power is connected correctly or not. If there is no 
problem, restart the phone.