Message
Possible Causes
The screen does
not turn on
Proximity sensor problem
when I receive
a call.
Hang up or
Intermittent software
freeze
problem
All manuals and user guides at all-guides.com
Possible Corrective Measures
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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