SHP-DR708 - How to perform a factory reset

  1. Unlock and open the door
  2. Take the battery cover off
  3. Press and hold the [REG] button for 5 seconds : Ding Dong -> Ding Dong
  4. Enter the factory reset code 1470852369 + *
    • Success : Ding Dong Deng
    • Fail : Dingdongdingdong