LG P920 Optimus 3D Manuel Du Propriétaire

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10.  Do not connect your phone when 
you turn your PC on and off 
Make sure you disconnect your phone and PC via a data 
cable to avoid any harm to your PC.
11.  Hold your phone upright
Please hold your phone straight and level, like a normal 
phone. The LG-P920 has an internal antenna. Be careful 
not to scratch or damage the back of the phone, as this 
will impair performance. While making/receiving calls 
or sending/receiving data, try to avoid holding the lower 
part of the phone where the antenna is located. This 
may affect call quality.
12.  If the screen freezes
If the phone does not respond to user input, or the 
screen freezes:
Remove the battery, reinsert it and switch on the phone. 
If it still does not work, please contact the service centre.
13. Using hard reset 
If it does not restore to the original condition, use Hard 
Reset
 to initialise your phone.
When the phone is turned off, Press and hold Home key 
+ Volume down key + Power key  for over ten seconds. 
When screen shows LG logo, release power key.