User's Manual

ZTE-C E520 User Manual
67
15. Troubleshooting
Fail to power on the phone
Check whether the battery has adequate capacity to power on.
The phone has powered off automatically
The battery capacity is quite low. Please charge the battery.
Can not connect to the network
Check whether the phone is in the CDMA network service area or move to other
places to try again.
No key tone when pressing the keys
Check whether the keypad tone has been disabled. You can set key tone settings by
selecting Menu→Settings→Sound Settings→Keypad Tone from standby mode.
No incoming ringtone when receiving a call
Check whether the phone is set to Silent Mode or the phone volume is turned off by
pressing the Volume Keys.
Can not send a message
Check the status of the network.