UYF UYF M4
UYF WiFi Smart Deadbolt Door Lock Set User Manual
Model: UYF M4
1. Product Overview
The UYF WiFi Smart Deadbolt Door Lock Set offers advanced security and convenience for your home or office. This keyless entry system integrates multiple unlocking methods, including fingerprint recognition, keypad codes, Bluetooth app control, and traditional keys. With built-in WiFi connectivity, you can manage your lock remotely from anywhere.

Key Features:
- 360° Fingerprint Reader for quick access.
- WiFi Remote Control via Smart Life App.
- Bluetooth App Control for local management.
- Electronic Keypad with anti-peep function.
- Voice Control compatibility with Alexa and Google Assistant.
- Auto-Lock and One-Touch Lock features.
- Emergency Charging via USB.
- Durable Aluminum Alloy construction with IP65 weatherproof rating.
2. Product Components
Before installation, verify that all components are present in your package:

| Component | Quantity | Description |
|---|---|---|
| Smart Lock (Exterior Unit) | 1 | Keypad with fingerprint reader. |
| Smart Lock (Interior Unit) | 1 | Battery compartment and thumb turn. |
| Handle Set | 1 | Exterior handle with deadbolt and interior lever. |
| Gateway | 1 | Enables WiFi remote control. |
| Mounting Hardware | Various | Screws, bolts, and plates for installation. |
| Keys | 2 | Physical backup keys. |
3. Installation Guide
The UYF Smart Lock is designed for quick installation on standard US doors, typically within 10 minutes, with no additional drilling required for most setups. Ensure your door's dimensions are compatible before beginning.

3.1 Pre-Installation Checklist
- Confirm door thickness and backset are compatible.
- Ensure existing boreholes are standard size.
- Gather necessary tools: Phillips head screwdriver.
3.2 Step-by-Step Installation
- Remove Existing Hardware: Unscrew and remove your current deadbolt and handle set.
- Install Latch and Strike Plate: Insert the new latch into the door edge and secure it with screws. Install the strike plate on the door frame.
- Install Exterior Handle Set: Place the exterior handle set through the door, ensuring the spindle aligns with the latch mechanism.
- Install Exterior Keypad Unit: Position the exterior smart lock unit, feeding the cable through the door's cross bore.
- Install Interior Mounting Plate: Secure the interior mounting plate to the exterior unit using screws, ensuring the cable passes through the plate.
- Connect Cables and Install Interior Unit: Connect the cable from the exterior unit to the interior unit. Mount the interior unit onto the mounting plate and secure it.
- Insert Batteries: Open the battery cover on the interior unit and insert 4 AA batteries (not included).
- Test Lock Functionality: Manually test the deadbolt and handle to ensure smooth operation.
3.3 Gateway Setup
The included gateway enables WiFi connectivity for remote access. Place the gateway within 16 feet (5 meters) of the smart lock and connect it to power.

- Plug in the gateway to a power outlet.
- Open the Smart Life App and follow the on-screen instructions to add the gateway and link it to your smart lock.
4. Operating Instructions
The UYF Smart Lock offers multiple convenient ways to unlock and manage access.

4.1 Smart Life App Control
The Smart Life App provides comprehensive control and monitoring of your lock.

- Remote Lock/Unlock: Use the app to lock or unlock your door from anywhere (requires gateway).
- Access Activity Logs: View a history of all lock and unlock events.
- Invite Users: Grant temporary or permanent access to family, friends, or guests.
- Monitor Battery Status: Check the current battery level of your lock.
- Set Different Codes: Create, modify, or delete passcodes and eKeys.
4.2 Fingerprint Unlocking
The 360° fingerprint reader allows for quick and secure entry in approximately 0.3 seconds.

- Register your fingerprint(s) through the Smart Life App.
- To unlock, place your registered finger on the fingerprint sensor. The lock will unlock if the fingerprint is recognized.
4.3 Keypad Entry (Passcode)
Enter your personalized passcode on the touchscreen keypad. The anti-peep function enhances security.

- Creating Passcodes: Passcodes can be generated and managed via the Smart Life App. Options include permanent, timed, one-time, and recurring codes.
- Anti-Peep Function: To prevent others from guessing your code, you can enter any random digits before or after your actual passcode. For example, if your code is 123456, you can enter 987123456012.
- Invalid Password Alert: After 5 incorrect attempts, the lock will temporarily disable the keypad for 2 minutes.
4.4 Voice Control
Integrate your smart lock with Amazon Alexa or Google Assistant for convenient voice commands.

- Ensure your gateway is connected and the lock is paired with the Smart Life App.
- Link your Smart Life account to your Amazon Alexa or Google Home app.
- Follow the voice assistant app's instructions to discover and add your smart lock.
- Use commands such as "Alexa, unlock my front door" (you may need to set up a voice code for unlocking).
4.5 Auto-Lock and One-Touch Lock
Enhance security and convenience with automatic locking features.

- Auto-Lock: Configure the lock to automatically re-lock after a set period (5-1800 seconds) via the Smart Life App.
- One-Touch Lock: Press and hold the '#' key on the keypad for 1 second to instantly lock the door from the outside.
4.6 Smart Alarms and Modes
- Privacy Mode: Prevents unlocking from the outside (except by master code or key).
- Passage Mode: Keeps the door unlocked for continuous access during specific times.
- Silent Mode: Disables keypad sounds for quiet operation.
- Tamper Alarm: An alarm will sound if the lock detects tampering attempts.
5. Maintenance
Proper maintenance ensures the longevity and optimal performance of your UYF Smart Lock.
- Cleaning: Wipe the lock's surface with a soft, dry cloth. Avoid abrasive cleaners or solvents that could damage the finish or electronic components.
- Battery Replacement: The lock requires 4 AA batteries. Replace all batteries when the low battery alert is issued by the app or the lock itself.
- Emergency Power: If batteries die completely, you can use a USB power bank to provide temporary power via the emergency charging port on the exterior unit.
- Mechanical Check: Periodically check that all screws are tight and the lock operates smoothly. Lubricate the latch bolt if necessary with a silicone-based lubricant.
6. Troubleshooting
Refer to this section for common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Lock not responding to keypad/fingerprint. | Low batteries; incorrect code/fingerprint; keypad disabled. | Replace batteries; re-enter correct code/fingerprint; wait for keypad to reactivate after invalid attempts. |
| Cannot connect to WiFi via gateway. | Gateway out of range; incorrect WiFi password; gateway not powered. | Move gateway closer to lock; re-enter WiFi credentials in app; ensure gateway is plugged in. |
| App shows "Offline". | No internet connection; gateway disconnected; lock batteries dead. | Check home internet; verify gateway power and connection; replace lock batteries. |
| Lock is stiff or difficult to operate. | Misalignment during installation; dirt in mechanism. | Check installation alignment; clean and lubricate latch bolt. |
| Voice control not working. | Incorrect setup in Alexa/Google Home app; gateway offline. | Re-link Smart Life account; ensure gateway is online and lock is paired. |
7. Specifications
Technical details for the UYF WiFi Smart Deadbolt Door Lock Set.

- Model Name: UYF M4
- Brand: UYF
- Lock Type: Biometric Deadbolt
- Material: Aluminum Alloy
- Color: Silver
- Control Methods: App, Remote, Touch, Voice, Fingerprint, Key
- Special Features: Fingerprint, Keyless Entry, WiFi Connectivity, Bluetooth, Keypad, Voice Control, Auto-Lock, Anti-Peep
- Item Dimensions (L x W x H): 10 x 3 x 3 inches
- Item Weight: 4.31 pounds
- Operating Temperature: -20°C to 70°C (-4°F to 158°F)
- Weatherproof Rating: IP65
- Power Source: 4 AA Batteries (not included)
- Emergency Power: USB-C port
8. Warranty and Support
UYF is committed to providing high-quality products and customer satisfaction.
- Warranty: This product comes with a 1-year limited warranty from the date of purchase, covering manufacturing defects.
- Return Policy: UYF offers a 60-day risk-free return policy.
- Customer Support: For technical assistance, troubleshooting, or warranty claims, please contact UYF customer support.
- Online Resources: Visit the UYF Store on Amazon for additional product information and FAQs.
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