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9. Unlock screen when
using data connection
Your display will go dark if untouched
for a period of time when using data
connection. To turn on your LCD
screen, just press the power key.
10. Do not connect your
phone when you
power on/off your PC
Make sure you disconnect your
phone and PC when you are
powering on/off your 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
The OptimusBlack has an internal
antenna. Be careful not to scratch or
damage the back of the phone, as
this may cause 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 signal 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 switch on the phone. If it still
does not work, please contact the
service centre.
Important notice