To avoid accidentally making a call when your phone is in your pocket or bag, lock the keys and screen of your phone.

Lock the keys and screen

Press the power key .


With the front of the phone facing you, the power key is, from left to right on the top edge, the third item.
Unlock the keys and screen

Press the power key or the menu key, and select Unlock.

Set the keys and screen autolock delay
  1. Select Settings and Phone > Display > Screen/keylock time-out.

  2. Define how long your phone waits before the keys and screen lock automatically.