Use APKPure App
Get Lock Screen old version APK for Android
전원 버튼을 터치하지 않고 장치를 잠금 탭!
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