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Possible causes
Files do not
Unsupported file format
open
The screen
does not turn
Proximity sensor problem
on when I
receive a call.
No sound
Vibration mode
Hangs up or
Intermittent software
freezes
problem
Appendix
All manuals and user guides at all-guides.com
Possible corrective measures
Check the supported file
formats.
If you use a protection tape
or case, make sure it has not
covered the area around the
proximity sensor. Make sure
that the area around the
proximity sensor is clean
Check the settings status in
the sound menu to make sure
you are not in vibration or no
interruptions mode.
If the screen freezes or the
phone does not respond when
you try to operate it, remove
the battery and reinsert it.
Then power the phone back
on.
Alternatively, try to perform a
software update through the
website.
107
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