LG P690B User Manual page 111

Message Possible causes
The Fixed dialling
Number not
number function is
permitted
on.
Impossible to
receive / send Memory full
SMS & picture
Files not Unsupported file
opening format
SD card not FAT16, FAT32 file
working system supported
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
Possible corrective measures
Check the Settings menu and turn the
function off.
Delete some messages from the phone.
Check the file formats that can be
supported.
Check SD card file system via card reader,
or format SD card using the phone.
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.
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