The Samsung SHS-1321 is a workhorse of a smart lock, but like any digital device, it sometimes needs a fresh start. Resetting it is straightforward once you know the battery removal trick.

After the reset, the lock will revert to . The default master code is typically 1234 (but verify this in your manual).

Follow these steps while the door is to avoid getting locked out:

You should hear a long beep (approximately 1 second) followed by a series of shorter beeps. The red LED may flash rapidly.

For more detailed troubleshooting or specialized settings like "Dual-Authentication Mode," you can refer to the Samsung SHS-1321 User Manual or setting up the auto-locking feature Samsung-SHS-1321-Manual.pdf

If the batteries are completely dead, touch a 9V battery to the external contacts at the bottom of the lock to provide temporary power. If you'd like, I can help you with: Registering key tags or RFID cards Setting up Dual-Security mode Finding a PDF copy of the full manual AI responses may include mistakes. Learn more Samsung-SHS-1321-Manual.pdf

If the lock beeps twice and unlocks, .