Want to avoid accidentally making a call when your phone is in your pocket or bag?

  1. Press the power key. With front of phone facing you, lock key is
second item on right edge of phone

Unlock the keys and screen

  1. Press the power key, and drag the lock screen up.

    Instead of pressing the power key, you can also double-tap the screen if double-tap is switched on. To switch on double-tap, tap settings iconSettings > touch, and switch Double tap to wake up phone to On.

Set the keys and screen to lock automatically

  1. On the start screen, swipe left, tap settings iconSettings > lock screen > Screen times out after, and select the length of time after which the keys and screen are locked automatically.