Setting up a lock on your device will help keep your information secure. A screen lock will prevent others from getting into your device unless they have the necessary credentials. If your device is requesting a PUK code, you need to contact your carrier to unlock your device. Removing your security lock will allow anyone the ability to unlock your device.
1.
From the Settings app, scroll to Security.
2.
Tap Security.
3.
Tap Screen lock.
4.
Tap PIN.
For this tutorial, we're showing how to set up a PIN. You can select a different type of security, but steps may vary based on what you choose.
5.
Enter your PIN.
Your PIN must be at least 4 digits long.
6.
Confirm your PIN.
7.
You've completed the steps!
