LG Optimus L9 P769 User Manual page 134
Lg optimus l9 has a sophisticated, slim design that easily fits in your purse or pocket, and high-end features you can take with you anywhere.
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Also See for Optimus L9 P769:
- Guía del usuario (188 pages) ,
- User manual (121 pages) ,
- User manual (58 pages)
Table of Contents
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Troubleshooting
Issue
Files not
opening
SD card
not
working
The
screen
does not
turn on
when I
receive a
call.
No sound Vibration mode
Hang up
or freeze
Phone
locked and
does not
function.
132
Possible causes
Unsupported file
format
FAT16, FAT32 file
system supported
Proximity sensor
problem
Intermittent
software problem
Restarting the
phone
Possible corrective measures
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.
Remove and reinstall the battery.
OR
Press and hold the Power/Lock Key
for 10 seconds to turn the device off.
Then power it back on.
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