LG Optimus L5 E610 Guide De L'utilisateur page 323

Message Possible causes
SD card not FAT16, FAT32 file
working system supported
The screen
does not
turn on Proximity sensor
when I problem
receive a
call.
No sound Vibration mode
Hangs up Intermittent
or freezes software problem
Possible corrective measures
Check SD card file system via card
reader, or format SD card using the
phone.
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.
Try to perform a software update via
the website.
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