LG -E730 Benutzerhandbuch Seite 184

Getting to know your phone
While making/receiving calls or sending/
receiving data, avoid holding the lower part
of the phone where the antenna is located.
Doing so may affect call quality.
10. When the screen freezes
If the screen freezes or the phone does
not respond when you try to operate it:
Remove the battery, reinsert it, then turn the
phone on.
28
OR
Press and hold the Power/Lock key for
10 seconds to turn it off.
If it still does not work, please contact the
service centre.