- Prepare Your Existing Deadbolt
- Remove Your Existing Thumbturn
- Remove Mounting Plate From Lock
- Install Lock Mounting Plate
- Choose The Adapter That Fits Your Thumbturn Connector
- Prepare Thumbturn
- Install The Lock
- Secure The Lock
- Try Locking And Unlocking
- Install PIN Pad
- Activate The Lock Using Your SimpliSafe System’s Keypad
The SimpliSafe Smart Lock only works with Single Cylinder Deadbolts. These deadbolts have a thumbturn on the inside of the door and a keyhole on the outside. Match the inside of your Smart Lock to the images below.
1
Prepare Your Existing Deadbolt #
2
Remove Your Existing Thumbturn #
On the inside of your door, unscrew your deadbolt’s thumbturn. Hold onto the screws for step 4.
NOTE
3
Remove Mounting Plate From Lock #
4
Install Lock Mounting Plate #
NOTE
Don’t over tighten screws, mounting plate could bend. If the screws are too thin to hold the mounting plate, use the included washers.

5
Choose The Adapter That Fits Your Thumbturn Connector #
NOTE
If your door’s tailpiece is diagonal you’ll use the green adapter. Vertical or horizontal tailpieces will use one of the other three adapters. The notch at the top of the adapter should aim up and away from your doorway.
6
Prepare Thumbturn #
7
Install The Lock #
8
Secure The Lock #
NOTE
If you see a gap or cannot attach your lock, you may have bent your mounting plate. Try loosening the screws on the mounting plate and re-attaching the lock.

9
Try Locking And Unlocking #
NOTE
If you have trouble, use the included tool as a lever to slide the wing latches outward and remove your lock. Make sure the adapter is able to unlock and lock the deadbolt then try repositioning your lock.

10
Install PIN Pad #

NOTE
Use the included screws for a more permanent attachment. To access the screw holes, use the included tool to remove the back of the PIN pad. Screw the back to the door and reattach PIN pad.

11
Activate The Lock Using Your SimpliSafe System’s Keypad #

- Menu
- Devices
- Add Device
- Lock
- Follow the Instructions
NOTE
If you don’t see Lock listed under “Add Device,” check for updates on your Keypad by going to Menu > System Settings > Check for Updates.