LG DOUBLEPLAY MFL67441301 - Manual (Page 17)

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9. Unlock screen when using data
connection
Your screen will go dark if untouched for a period
of time when using a data connection. To turn on
your LCD screen, just touch it.
10. Do not connect your phone when you
power on/off your PC
Make sure you disconnect your phone from the PC
as it might cause errors on your PC.
11. Hold your phone upright
Please hold your phone straight and upright, as
with a normal phone. Your phone has an internal
antenna. Be careful not to scratch or damage
the back of the phone, as this will cause a loss
of 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, insert it again and turn on
the phone. If it still does not work, please contact
customer service.