LG P720 Optimus 3D Max 사용자 설명서
86
Message
Possible causes
Possible corrective measures
SD card not working
FAT16, FAT32 file system
supported
supported
Check SD card file system via card reader, or
format SD card using the phone.
format SD card using the phone.
The screen does
not turn on when I
receive a call.
not turn on when I
receive a call.
Proximity sensor problem
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.
to see if it has 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 of the sound menu
to make sure you are not in vibrate or silent
mode.
to make sure you are not in vibrate or silent
mode.
Hang up or freeze
Intermittent software problem
Remove and re-insert battery.
Turn on the phone.
Try to do a software update service via the
website.
Turn on the phone.
Try to do a software update service via the
website.
Troubleshooting