LG E615f User Manual page 266

Troubleshooting
Message Possible causes
The screen
does not
turn on Proximity sensor problem
when I
receive a call.
No sound Vibration mode
Hang up or Intermittent software
freeze problem
104
Possible corrective measures
If you use any protection tape or case,
check if it has covered the area around
the proximity sensor. Make sure that
the area around the proximity sensor
is clean.
Check the settings sound to make sure
you are not in vibrate or silent mode.
Remove the battery, insert it again and
switch on the phone.
Try to perform a software update via the
website.
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