1. 将你的主机置于关机状态，按住 L + R + ↑ + A 四个按键，然后按下电源键
  + Keep holding the buttons until the device boots to a system update screen (this is Safe Mode)
1. If you see the system update screen, press Cancel
  + 主机将关机
  + 如果主机启动到了主菜单，则请关机