1. Introduction
The Xiaomi Fully Automatic Smart Door Lock 2 is an advanced security solution designed for modern homes. It integrates multiple unlocking methods, smart home connectivity, and enhanced security features to provide convenience and peace of mind. This manual provides essential information for the proper installation, operation, and maintenance of your smart door lock.
2. Safety Information
- This smart door lock is designed to work with the Mi Home APP.
- When connecting the lock to the Mi Home APP for the first time, ensure you change the region setting within the app to "Chinese mainland" for proper functionality.
- Always ensure the door is properly closed and locked after use.
- Do not attempt to disassemble or repair the lock yourself. Refer to qualified technicians for service.
3. Product Overview
The Xiaomi Fully Automatic Smart Door Lock 2 features a noise-reducing full-automatic lock body, eliminating the need to turn a handle after recognition. The lock tongue automatically retracts, allowing you to push the door open in one step, and automatically locks upon closing.
Figure 3.1: Xiaomi Fully Automatic Smart Door Lock 2
Figure 3.2: Noise-reducing full-automatic lock mechanism
Key Features:
- Full-Automatic Lock Body: Noise-reducing design for quiet and convenient operation.
- AI Fingerprint Unlocking: Semiconductor fingerprint identification with AI algorithm for improved recognition over time.
- Multi-device NFC Sensing: Supports various NFC devices for unlocking with end-to-end encryption.
- Integrated Smart Doorbell: Alerts you to visitors.
- Six-pronged Security System: Comprehensive protection including communication, unlocking, electronic, structural, alarm, and storage security.
- Mi Home App Integration: Remote control, monitoring, and smart scene customization.
- Long Battery Life: Up to 1 year with 8 No. 5 batteries, plus Type-C emergency power.
4. Specifications
Figure 4.1: Detailed Product Parameters
| Attribute | Value |
|---|---|
| Product Model | XMZNMS02OD |
| Product Name | Xiaomi Automatic Smart Door Lock 2 |
| Product Size (Front Panel) | 399 x 76 x 21mm |
| Product Size (Rear Panel) | 399 x 76 x 24mm |
| Net Weight | 3.72kg |
| Power Supply | 8 x No. 5 batteries (1.5V), Type-C emergency power (5V 0.5A) |
| Product Safety Level | Level B (GA 374-2019) |
| Lock Cylinder Safety Level | Level C |
| Wireless Connection | Bluetooth 5.3, NFC, Wi-Fi IEEE 802.11 b/g/n 2.4GHz |
| Environmental Suitability Rating | Class II (GA 374-2019) |
| Executive Standard | GA 374-2019, GB 21556-2008 (4.10) |
| Product Code | DZFDS-L-B-II/XMZNMSO2OD |
| Working Temperature | -25°C ~ 55°C |
| CMIITID | 2023DP13220 |
| Working Humidity | 0-93% RH, non-condensing |
| Fit Door Thickness | 40-120mm |
| Suitable Door Type | Wooden Door, Brass Door, Stainless Steel Door |
| Suitable for Mortise | 6068 |
5. Installation and Setup
5.1 Pre-Installation Checks
- Ensure your door thickness is between 40-120mm.
- Verify that your door is suitable for a 6068 mortise.
- The lock is compatible with Wooden, Brass, and Stainless Steel doors.
5.2 Installation
Due to the complexity of smart door lock installation, professional installation is highly recommended to ensure proper functionality and security. The package includes the necessary components for installation.
Figure 5.1: Product Packaging and Components
5.3 Initial Setup with Mi Home App
- Download and install the Mi Home App on your smartphone.
- Create an account or log in.
- Important: Before adding the device, navigate to the app settings and change the region to "Chinese mainland".
- Follow the in-app instructions to add your Xiaomi Smart Door Lock 2. This typically involves powering on the lock and initiating a pairing process.
6. Operating Instructions
6.1 Unlocking Methods
Figure 6.1: Multiple Unlocking Methods
- AI Fingerprint Recognition: Place your registered finger on the sensor. The lock will recognize your fingerprint in less than 0.5 seconds. The AI algorithm learns and improves recognition accuracy over time.
- Password: Enter your numerical password on the keypad.
- Bluetooth: Unlock via the Mi Home App on your smartphone using Bluetooth connectivity.
- NFC: Tap a registered NFC-enabled device (Xiaomi phone, bracelet, Mi Rabbit Kid's Watch, or Xiaomi smart door lock NFC card) on the large NFC sensing area.
- Mechanical Key: In case of emergency or power failure, use the physical mechanical key.
6.2 Password Management
Figure 6.2: Four Forms of Passwords
The lock supports various password types for different scenarios:
- Fixed Password: For long-term, regular use.
- Dummy Password: Enter random digits before and after your actual password to prevent others from guessing it by observing your input.
- Periodic Password: Set a password that is valid for a specific recurring period.
- Temporary Password: Generate one-time or time-limited passwords for guests or service personnel.
6.3 Mi Home App Integration
The Mi Home App provides comprehensive control and monitoring capabilities:
Figure 6.3: Mi Home App Control Interface
- Remote Viewing: Monitor alarm notifications and operation logs in real-time.
- Device Sharing: Share management privileges of the door lock with family members.
- Do Not Disturb Mode: Enable this mode to silence doorbell notifications or other alerts.
- Smart Scene Customization: Integrate the lock with other Mi Home smart devices to create automated scenes (e.g., lights turn on when the door unlocks).
6.4 Smart Home Connectivity
The lock supports Bluetooth Mesh gateway functionality, allowing it to connect with up to 35 other smart home devices. This enables advanced automation and scene triggering:
Figure 6.4: Smart Home Integration
- "Guarding Away From Home" Mode: Arm your home security system and turn off selected appliances when you leave.
- "Easy to Go Home" Mode: Automatically turn on lights or adjust air conditioning when family members unlock the door.
7. Security Features
The Xiaomi Smart Door Lock 2 is equipped with a six-fold security system and a Mijia security chip to ensure robust protection:
Figure 7.1: Six-Fold Security System
- Communication Security System: Encrypted communication to prevent attacks.
- Unlocking Security System: Protection against malicious attacks.
- Electronic Security System: Electronic anti-cracking measures.
- Structural Security System: Designed to increase the difficulty of violent disassembly.
- Alarm Security Systems: Multiple alarm protections for various threats.
- Storage Security System: Prevents information and privacy leakage.
7.1 Alarm Types
Figure 7.2: Various Alarm Conditions
- Door Not Closed/Door Hidden: Alerts if the door is not fully closed or if the lock is obstructed.
- Outside Panel Pried: Triggers an alarm if tampering with the outer panel is detected.
- Multiple Attempts to Unlock: Activates after several incorrect unlock attempts.
- Fingerprint Coercion to Unlock: A pre-set duress fingerprint can trigger a silent alarm.
- Leaving Home Arming Alarm: Part of the smart scene functionality.
- Low Battery Alarm: Notifies you when batteries are running low.
7.2 Duress Fingerprint Alert
Figure 7.3: Duress Fingerprint Activation
In a crisis, you can utilize a pre-set duress fingerprint. When this specific fingerprint is used, the lock will silently make a call to a preset phone number for notification, without alerting the person at the door.
8. Battery Life and Emergency Power
The door lock is powered by 8 No. 5 (AA) dry batteries, providing long-lasting protection for up to 1 year. The Mi Home App will provide a thoughtful reminder when the battery level is low.
Figure 8.1: Battery Compartment
In the event that the batteries are fully depleted, a Type-C external rechargeable battery can be connected to provide temporary emergency power, allowing you to unlock the door.
9. Troubleshooting
- Lock not responding: Check battery levels. If low, replace batteries or use Type-C emergency power.
- Fingerprint not recognized: Ensure your finger is clean and dry. Re-register your fingerprint if issues persist.
- App connectivity issues: Verify your Wi-Fi connection. Ensure the Mi Home App region is set to "Chinese mainland". Restart the app and the lock if necessary.
- Door not locking automatically: Check for any obstructions in the door frame or latch. Ensure the lock body is properly aligned.
- Difficulty with installation: Professional installation is recommended for optimal performance and to avoid potential issues.
10. User Tips
- Mi Home App Region: Always remember to set the Mi Home App region to "Chinese mainland" for seamless integration and functionality.
- Professional Installation: For best results and to ensure all features work correctly, consider professional installation.
- NFC Convenience: Utilize NFC cards, phones, or wearables for quick and secure access.
- Smart Scenes: Explore the Mi Home App to set up smart scenes that automate actions based on your door lock's status (e.g., lights on when you arrive home).
- Battery Monitoring: Regularly check the battery status via the Mi Home App and replace batteries promptly when a low battery alert is received.
- Security Awareness: Familiarize yourself with the duress fingerprint feature for emergency situations.
11. Maintenance
- Cleaning: Wipe the lock's surface with a soft, dry cloth. Avoid using abrasive cleaners or solvents that could damage the finish or electronic components.
- Battery Replacement: Replace all 8 No. 5 batteries simultaneously when the low battery alert is given. Do not mix old and new batteries.
- Fingerprint Sensor: Keep the fingerprint sensor clean and free of dirt or moisture for optimal performance.
- Mechanical Key: Store the mechanical key in a safe, accessible location outside your home for emergency use.
12. Warranty and Support
For warranty information and technical support, please refer to the official Xiaomi website or contact your local authorized dealer. Keep your purchase receipt as proof of purchase for warranty claims.
