To change the type of security required to unlock your phone after it goes to sleep:
Go to Settings > Security.
Touch Screen lock and select the type of lock you want:
Slide: Prevents accidental dialling but doesn't secure the phone. Touch
and drag to
. Do not select this if you want to use a trusted Bluetooth device.
global-en-gb-en-gb-3213-44 2014-05-14T19:46:19