Use APKPure App
Get Lock Screen old version APK for Android
Bấm để khóa điện thoại mà không cần chạm vào nút nguồn!
Every time you unlock your phone, you need to switch off too! Using this app you can leave your power button alone and increase your power button life by 50%. This app uses the Device Administrator permission.
FEATURES
* very lightweight
* exceptional icons
* one click screen lock