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Message
Possible causes
The screen
does not turn
Proximity sensor
on when I
problem
receive a
call.
No sound
Vibration mode
Hang up or
Intermittent software
freeze
problem
Phone locked
and does not
Restarting the phone
function.
Possible corrective measures
If you use any protection tape or case, check to
see if it has covered the area around the proximity
sensor. Make sure that the area around the
proximity sensor is clean.
Check the settings status of the sound menu 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.
1. Turn the phone off.
2. Remove the battery cover.
3. Install the battery.
4. Close the cover.
5. Turn the phone on again.
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