SHS-H505 - 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 or until a second set of beeps are heard
    • Ding Dong -> Dingding -> Dingdingdingding
  4. Enter factory reset code + * 
    • 4560852580 : Factory reset without wireless module connection
    • 1470852369 : Factory reset including wireless module connection
    • Success : Ding Dong Deng
    • Fail : Dingdongdingdong