To learn more about requesting a device unlock for your AT&T mobile device so that it can operate on another compatible wireless network, visit www.att.com/deviceunlock. If your device is locked and is requesting a "PUK" code, click here for instructions on how to obtain your PUK or PUK2 code.
In this tutorial, you will learn how to:
• Set up security lock • Log in using the security lock • Lock device • Change lock screen timeout
1. From the device home screen, select Settings.

2. Select Security.

3. Select Screen Lock.

4. Select the Screen Lock switch and follow the prompts to complete set up.

1. Swipe up from the device home screen.

2. Enter the device passcode.

Press the Power button on the front of the device.

1. From the Settings screen, select Screen.

2. Select Screen Timeout.

3. Select the desired setting.

4. Select OK.
