Troubleshooting - Zte C77 User Manual

C77 User Manual

16. Troubleshooting

Fail to power on the phone
Check whether the battery has adequate capacity to power on.
The phone has auto powered off
The battery capacity is quite low, please charge the battery.
No key tone when pressing the keys
Key tone is not the necessary setting in main function. You can set key tone settings
via the path Menu→Settings→Sound Settings.
No incoming ringtone when receiving a call
Check whether the phone is set to Silent Mode or the phone volume is turned off by
the Volume key.
Can not send a message
Check the status of the network.
Can not auto answer an incoming call by the headset
Check whether Auto Answer is on in the call setup settings, via the path Menu→Settings
→System→Call Setup.
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