In this tutorial, you will learn how to:
• Set a security lock
• Change lock type
• Change lock screen timeout
• Lock and unlock deviceÂ
• Request your device be unlocked from the AT&T network
Set a Security Lock
1. Swipe down from the
Notification bar with two fingers then select the
Settings icon. Scroll to and select
Security & location.
![Image 1](https://www.att.com/devicehowtomedia/image/nokia_3-1a/os9/9007010_01.jpg)
2. SelectÂ
Screen lock then select the desiredÂ
screen lock method.
Note: If you choose Pattern lock, you will have to factory reset your device if you forget your Pattern lock. Visit the Reset Device tutorial for alternate reset instructions.![Image 2](https://www.att.com/devicehowtomedia/image/nokia_3-1a/os9/9007010_02.jpg)
3. Draw the desiredÂ
pattern, then selectÂ
NEXT. Draw the desiredÂ
pattern again, then selectÂ
CONFIRM.
![Image 3](https://www.att.com/devicehowtomedia/image/nokia_3-1a/os9/9007010_03.jpg)
4. Select the desired notificationÂ
option, then selectÂ
DONE.
Â
Change Lock Type
From the Security & location screen, select Screen lock > enter your current pattern lock > select the desired screen lock type and follow prompts to complete set up.
Change Lock Screen Timeout
1. From the Security & location screen select the
 Settings icon next to Screen lock.
2. Select Automatically lock, then select the desired timeout duration.
Lock and Unlock Device
LOG IN USING THE SECURITY LOCK: From the lock screen, swipe up from the bottom of the screen, then enter your pattern lock.
![Image 4](https://www.att.com/devicehowtomedia/image/nokia_3-1a/os9/9007010_04.jpg)
LOCK DEVICE: Press the Power/Lock button located on the right side of the device.
Request your Device be Unlocked from the AT&T Network