Samsung Galaxy Avant LTE
To Setup Lockscreen
Step 1. Tap on the Apps icon and goto Settings.
Step 2. Click on Lock Screen.
Step 3. Click on Screen Lock.
Step 4. Choose what type of Lock Screen you want to setup and go through the setup on the phone.
If you ever forget your pattern or password and can't get back into your phone you will need to do a Hard Reset. Here's a link for the Hard Reset on the Samsung Galaxy Avant for Metro PCS.
Also make sure to subscribe to my YouTube Channel! Here's a video showing you step by step how to setup the Lock Screen on your Samsung Galaxy Avant for Metro PCS.