Introduction
Thank you for choosing the MYPIN Keypad Smart Door Lock with Handle. This advanced keyless entry deadbolt offers multiple ways to unlock your door, including fingerprint, smartphone app, key fobs, keypad codes, eKeys, and traditional mechanical keys. Designed for convenience and security, this manual provides detailed instructions to ensure proper installation, operation, and maintenance of your new smart lock.
Please read this manual thoroughly before installation and use to ensure optimal performance and safety.
What's in the Box?
Verify that all components listed below are included in your package. If any parts are missing or damaged, please contact customer support.

Image: All components included in the MYPIN Keypad Smart Door Lock package, laid out for inspection.
- Exterior Assembly
- Interior Assembly
- Fobs cards (x2)
- User manual
- Latch Bolt
- Backup Keys (x2)
- Drilling template
- Positioning columns
- Screws (various sizes)
- Strike Plate
- Square shaft
- Screw casings
Specifications
| Feature | Detail |
|---|---|
| Brand | MYPIN |
| Model Name | Keypad Smart Door Lock with Handle |
| Model Number | MJ-HS0457B |
| Lock Type | Deadbolt |
| Material | Alloy Steel |
| Dimensions (L x W x H) | 4.9 x 2.9 x 5.9 inches |
| Item Weight | 2.92 pounds (1.33 Kilograms) |
| Control Method | App |
| Special Features | Auto-Lock without door magnet, Fingerprint, One-Touch Lock, Watch/E-Key/APP/Password/key Unlock |
| Power Source | 4*AA batteries (Not Provided) |
| Emergency Power | Type-C charging port |
| Door Thickness Compatibility | 35 mm to 50 mm (1-3/8" to 2") |
| Door Hole Compatibility | 2-1/8" (54mm) |
| Operating Temperature | -22°F to 185°F |
| Waterproof Rating | IP66 |
Installation Guide
This smart lock is designed for easy DIY installation. A screwdriver is typically the only tool required.
Door Compatibility
Ensure your door meets the following specifications:
- Door Thickness: Between 35 mm to 50 mm (1-3/8" to 2").
- Door Hole Diameter: 2-1/8" (54mm).
- Backset: Adjustable for 2-3/8" (60mm) or 2-3/4" (70mm).

Image: Visual guide demonstrating the smart lock's compatibility with different door types and existing hardware configurations.

Image: Technical diagram illustrating required door measurements for backset, hole diameter, and door thickness to ensure proper fit of the smart lock.
Step-by-Step Installation
- Prepare the Door: Ensure your door has the correct hole diameter (2-1/8" or 54mm) and thickness (35-50mm). No extra drilling is typically required for standard door preparations.
- Install the Latch Bolt: Insert the latch bolt into the door edge. Ensure the latch is oriented correctly for your door's swing.
- Install the Exterior Assembly: Place the exterior assembly onto the door, aligning the spindle with the latch bolt.
- Install the Interior Assembly: Connect the interior assembly to the exterior assembly using the provided screws. Ensure cables are not pinched.
- Adjust Handle Direction: The handle is reversible. Adjust it to open left or right as needed for your door.

Image: Instructions on how to adjust the smart lock's handle for both left-opening and right-opening doors.
- Install Batteries: Insert 4 AA alkaline batteries (not included) into the interior assembly. Ensure correct polarity.
- Test Operation: After installation, test all functions (keypad, mechanical key) before closing the door.

Image: A visual representation of the simple DIY installation process, highlighting that no extra drilling is needed.
Operating Instructions
Your MYPIN Smart Door Lock offers 7-in-1 access methods for ultimate convenience and security.
Unlocking Methods

Image: An overview of the various keyless entry options available, including APP Control, Fingerprint, Keypad, Mechanical Keys, Key Fob, and Apple Watch.
- Fingerprint Unlock:
The fingerprint recognition takes only 0.3 seconds and unlocks in 1 second. Supports up to 100 fingerprints.

Image: Details on fingerprint recognition speed, capacity for 100 fingerprints and passcodes, IP66 waterproof keypad, and aluminum alloy material.
- Phone App Control (TT LOCK APP):
Download the TT LOCK APP to control your lock via Bluetooth. The phone should be within 10 meters of the door lock for direct control.

Image: The TT Lock app interface, showing options for keyless entry, sharing access, viewing history, auto-lock, and generating passcodes remotely.
- Keypad (Passcodes):
Set up to 100 multiple user codes. You can also set one-time passwords that are automatically deleted after use. For enhanced security, you can confuse others by adding any Arabic number before or after the correct password.

Image: A user entering a passcode on the smart lock keypad, demonstrating the anti-theft feature where random digits can be added before or after the correct password.
- Apple Watch Unlock:
Currently, only Apple Watch unlocking is supported. For first use, connect your phone's TT LOCK app to the lock. If you have a cellular Apple Watch, you can unlock directly without your phone. For GPS-only versions, your phone must be nearby and connected via Bluetooth.
- Key Fobs:
Easily unlock your front door by simply swiping the IC card (key fob). Android phones with NFC can also be tied to the lock for unlocking.

Image: A person using a key fob to unlock the smart door lock, illustrating the convenience of fob access.
- eKey Sharing:
The administrator can share a Bluetooth key with other users who also have the TT LOCK APP. This allows them to unlock the door via their app. Administrators can transfer their identity through the app.

Image: A person sharing an eKey through the TT Lock app on their phone, enabling remote access for guests.
- Mechanical Key:
Two backup mechanical keys are provided for emergency access or traditional unlocking.

Image: A person inserting a mechanical key into the smart lock, demonstrating the traditional backup unlocking method.
Additional Features
- Auto-Lock: The lock features an upgraded auto-lock function with a 5 to 10-second delay. It does not require door magnets for automatic locking.
- One-Key Lock: Easily lock the door with a single press.
- Doorbell Function: The lock comes with a built-in doorbell function.
- Local Activity Records: View the lock's daily local activity records when your phone is connected and within the lock's Bluetooth range.
- Manage Multi-users: Easily add and manage multiple users (up to 100 fingerprints and 100 user codes) through the TT LOCK APP.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your smart door lock.
- Battery Replacement: The lock is powered by 4 AA batteries. Replace them when the low battery indicator appears or when performance degrades.

Image: Illustration of the battery compartment requiring 4 AA alkaline batteries and the Type-C port for emergency backup power.
- Emergency Backup Power: In case of complete battery depletion, use a Type-C cable to connect an external power bank to the emergency charging port located under the front panel for temporary power.
- Cleaning: Wipe the lock's surface with a soft, dry cloth. Avoid abrasive cleaners or solvents that could damage the finish or electronic components.
- Environmental Conditions: The lock is designed to withstand extreme weather (IP66 waterproof, -22°F to 185°F). However, prolonged exposure to harsh conditions should be minimized where possible.

Image: Icons indicating the smart lock's durability against extreme temperatures (185°F, -22°F), IP66 waterproof rating, and overall durability.
Troubleshooting
If you encounter issues with your MYPIN Smart Door Lock, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Lock does not respond / "System Failure" / "Low Battery" message | Low or dead batteries. Incorrect battery installation. | Replace all 4 AA batteries with new alkaline batteries. Ensure correct polarity. If batteries are dead, use the Type-C emergency power port with an external power source. |
| Fingerprint sensor not recognizing prints | Finger dirty or wet. Sensor dirty. Fingerprint not properly registered. | Ensure finger and sensor are clean and dry. Re-register fingerprint if issue persists. Try a different registered finger. |
| Keypad not responding or incorrect code entry | Incorrect code entered. Keypad malfunction. | Ensure correct passcode is entered. If using anti-theft feature, ensure the correct sequence is embedded. Check battery level. |
| App cannot connect to the lock | Bluetooth off. Phone too far from lock. App not updated. | Ensure Bluetooth is enabled on your phone. Move closer to the lock (within 10 meters). Update the TT LOCK APP to the latest version. Restart phone and lock. |
| Auto-lock not functioning | Feature disabled in app settings. Internal mechanism issue. | Check TT LOCK APP settings to ensure auto-lock is enabled and the delay time is set correctly. |
Warranty and Support
For warranty information or technical support, please contact MYPIN customer service. Refer to the contact details provided in your product packaging or visit the official MYPIN website.
MYPIN Official Store: Visit the MYPIN Store on Amazon