If you want to avoid accidental key taps, you can lock the phone keys and display.
Step 1 of 7
Choose one of the following options: Turn screen lock on or off, go to 1a. Select setting for automatic screen lock, go to 1b.
Step 2 of 7
1a - Turn screen lock on or off
To turn on the screen lock: Tap the status bar at the top of the display twice in quick succession. To turn off the screen lock: Tap twice anywhere on the display. Slide your finger across the display.
Step 3 of 7
1b - Select setting for automatic screen lock
Slide your finger down the display starting from the top edge of your mobile phone. Tap the settings icon.