Zte A137+ User Manual page 18

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. "Enter Phone Lock" is shown when the phone is switched on.
Enter the handset lock code.
4. No key tone volume when pressing keys.
Check the keypad tone in User Profiles-Customize.
5. No incoming ring tone.
Check the ringing tone and ringing volume settings in User Profiles-Customize.
6. No alarm tone when the reminder time reaches.
Check the profile setting and the alarm ring setting in User Profiles-Customize.
7. A phone number cannot be dialed.
Check whether a call restriction is set to the number.
8. A phone call cannot be answered.
Check whether call restriction is set to the number
9. Short message cannot be sent.
Check the SC Address in the Message Settings-Profile Setting.
10. Some menus related to voice setting cannot be used.
Check the User Profiles settings.
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