Nokia Lumia 820

Select option

Select one of the following options:
Turn key lock on or off, go to 1a.
Select setting for automatic key lock, go to 1b.

1a - Turn key lock on or off

To turn on the key lock:
Briefly press On/Off.

1a - Turn key lock on or off

To turn off the key lock:
Briefly press On/Off.
Slide your finger upwards.

1b - Select setting for automatic key lock

Slide your finger left on the display.
Press Settings.

1b - Select setting for automatic key lock

Press lock screen.

1b - Select setting for automatic key lock

Press the field below Screen times out after.

1b - Select setting for automatic key lock

Press the required interval.

1b - Select setting for automatic key lock

Press the Home key to return to standby mode.