Troubleshooting - Zte A16 User Manual

Troubleshooting

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Check the following reference if you have problems with your phone. Please
contact your distributor if you cannot solve the problem fluently.
1. "Enter PIN" is shown when the phone is switched on.
Input the PIN or input the new PIN if you have changed the code. The code can be
set "off" if you do not want to input.
2. "Insert SIM" is shown when the phone is switched on.
Turn off your phone and make sure that you have inserted a valid SIM card.
3. "UNLOCK" is shown when the phone is switched on.
Enter the handset lock code or the new code if you have changed it.
4. No key tone when pressing keys.
Check the key tone setting in the profile.
5. No incoming ring tone.
Check the ringing tone and ringing volume settings in the profile.
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