BTS HD Lock Screen is an extremely Secure Screen Locker via pin code or password or schema to enhance the security of your phone. It is beautiful, secure and customizable.there are features of our lock screen application.BTS wallpaper themes to redecorate your Android devices. We provided numerous high resolution wallpaper themes, especially BTS photography idea wallpapers.And you can switch different live wallpaper themes from setting.Lock Screen BTS HD Theme lively will change the live wallpapers of lock screen with a unique design in the beautiful world of BTS and an incredible color flop.Decorate your mobile zipper for the raging live BTS off and 4minute puppet with this fabulous popapp Keypad at KPOP themes for mobile and tabletInstall the lock screen apps1. Open the app settings, and tick the Enable Screen check box to enable it.2. Set pass-code to protect your privacy.3. Click the Disable System Lock in case you use the system lock.4. Cool themes.5. Click the Set Wallpaper to switch to different awesome backgrounds of screen lock app BTS members.