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To hard reset the phone using buttons, do the following.

1. When the phone is switched off, press and
hold the Volume down key + Power key
with your left hand.

2. When the LED on the bottom of the phone
lights up, touch and hold the Menu key +
Back key with your right hand. You need
to do this immediately, before the screen
displays the LG logo. Make sure your lefthand is still holding the Volume down and
Power keys.

3. When the LG logo is displayed on the
screen, continue to hold the keys for around
2 seconds, and then release all them at the
same time, before the LG logo disappears.
Leave your phone for at least a minute while
the hard reset is carried out. You will then be
able to switch your phone back on.

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