Lock screen with many types of lock passwords, auto-change wallpaper ★ Lock Screen is a smart application that prevents unauthorized users from accessing your device and protects your personal information on the phone in the safest way. Lock Screen provides many different lock types such as passcode - fingerprint - timed password to meet personal security needs, and suitable for all users of different ages. ★ Lock password up to 6 characters in combination with fingerprint lock feature which ca