Troubleshooting - Zte A15 User Manual

Gsm dual-band digital
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Troubleshooting

6
Is it a malfunction? If you have a problem with your phone, first refer to this
Troubleshooting Guide as you check with your phone. If you can't solve, please contact
your dealer.
1.
"Enter PIN" is shown when the phone is switched on.
Input the PIN1 code or input the new PIN if you have changed the code. The code can be
set "Off" if you do not want to input. (Please refer to Section "Security Settings".)
2.
"Insert SIM card" 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.
Press Unlock, enter the handset lock code or the new code if you have changed it, and
then press Ok.
4.
No key tone when pressing keys.
Check the key tone setting in the profile.
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