Choose option
Choose one of the following options:
Select setting for automatic key lock, go to 1a.
Deactivate key lock, go to 1b.
Select setting for automatic key lock, go to 1a.
Deactivate key lock, go to 1b.
![Vodafone 553 Vodafone 553](http://wmstatic.global.ssl.fastly.net/ml/7290921-1467521.png?width=480&height=480)
1a - Select setting for automatic key lock
Press the Menu key.
Press Settings.
Press Security.
Press Auto keypad lock.
Press the required period.
Press Disconnect to return to standby mode.
1b - Deactivate key lock
If required, press the Menu key.
Press the padlock icon at the left side of the display and slide it right.