LG US550 Owners Manual - English - Page 75

The Fixed dialing, Message, Possible causes, Possible corrective measures - phone cases

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Message Possible causes Number not allowed. The Fixed dialing number function is on. Impossible to receive/ send text messages & photos Memory full Files do not Unsupported file open format The screen does not turn on when I receive a call. Proximity sensor problem No sound Vibration mode Possible corrective measures Check the Settings menu and turn the function off. Delete some messages from your phone. 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 silent mode. Hangs up or freezes Intermittent software problem Try to perform a software update through the website. 74 Troubleshooting

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74
Troubleshooting
Message
Possible causes
Possible corrective measures
Number not
allowed.
The Fixed dialing
number function
is on.
Check the Settings menu and turn the
function off.
Impossible
to receive/
send text
messages &
photos
Memory full
Delete some messages from your
phone.
Files do not
open
Unsupported file
format
Check the supported file formats.
The screen
does not
turn on
when I
receive a
call.
Proximity sensor
problem
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.
No sound
Vibration mode
Check the settings status in the sound
menu to make sure you are not in
vibration or silent mode.
Hangs up
or freezes
Intermittent
software problem
Try to perform a software update
through the website.