[REFURBISHED] Samsung SHS-3321 Digital Door Lock

Product design and specifications may be changed without prior notice for product improvement. Some model(s) is/are not available in the certain country. Only the key tags provided by Samsung SDS can be used.Samsung SDS will not take responsibilities for any problem that may occur because you used an authentication means other than the key tags that we provided.    How to factory reset Model SHS-3321 1 Unlock and then open the door to pull the magnetic sensor away from the magnetic tab. 2 Press and hold the register button for 10 seconds. You will hear a beep when you first push it, another at 5 seconds, and a third at 10 seconds. 3 Quickly input on the keypad the master reset code 1470852369* (star key). The keypad will then turn off. 3 beeps will mean the factory default was a success, if you hear 4 consecutive beeps then it failed. If you failed repeat the process until you succeed. 4 You will the shut the door so the magnetic sensor comes in con