Lock Screen is a very simple tools, function is a key lock screen, since protect physical buttons. uninstall the Lock Screen software before needs to deactivated, you can enter Settings > Security > Device Administration to deactivated.

锁屏是个一非常简单的工具，实现一键锁屏，可以有效的保护物理按键。卸载锁屏前需要取消激活，可在设置>安全>设备管理内进行取消。