Hold your phone upright, When the screen freezes – LG LG870 User Manual
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Getting to know your phone
To stop applications:
1. On the Home screen, touch > Apps tab > Settings > Apps
(DEVICE category) > Running tab.
2. Scroll and touch the desired application and touch Stop to stop it.
7. Hold your phone upright
Hold your mobile phone vertically, as you would a regular phone. The phone
has an internal antenna. Be careful not to scratch or damage the back of the
phone, as this may affect performance.
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.
8. 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.
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 center.