Message
Files not
open
The screen
does not
turn on when
I receive a
call.
Hang up or
freeze
Possible Causes
Unsupported file
format
Proximity sensor
problem
Intermittent
software problem
Possible Corrective
Measures
Check the file format
that can be supported
If you use any protection
tape or case, check it is
covered the area around
proximity sensor
Make sure that the area
around the proximity
sensor is clean.
Take out the battery and
insert battery.
Turn on the phone.
Try to do software update
service via web site
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