Part way down the list, you should see a Lock screen subheading. Under it, tap on Select screen lock. Here, you can choose which type of security you would like to use: pattern, PIN, or password.

The LG G5 has a decently bright 5.3-inch 2560 x 1440 Quad-HD displays with nice colors and decent contrast. The first thing you see when it’s turn it on is the lockscreen.