1. Introduction
The Xiaomi Mi Smart Band 8 is a versatile health and fitness tracker designed to support your active lifestyle and provide comprehensive health insights. With its vibrant AMOLED display, long-lasting battery, and extensive range of features, it's an ideal companion for daily wear and exercise.

Figure 1: Xiaomi Mi Smart Band 8 in Graphite Black.
2. Setup Guide
2.1 Initial Power On & Charging
To power on your Mi Smart Band 8 for the first time, connect it to the magnetic charging cable. The band will automatically turn on. Ensure the charging pins align correctly with the contacts on the back of the band.

Figure 2: Connecting the Mi Smart Band 8 to its charger.
2.2 Pairing with Mi Fitness App
- Download the Mi Fitness app from your smartphone's app store (available for iOS and Android).
- Open the Mi Fitness app and log in or create a Xiaomi account.
- In the app, navigate to the 'Device' tab and select 'Add device'.
- Follow the on-screen instructions to search for and pair with your Mi Smart Band 8. Ensure Bluetooth is enabled on your smartphone.
- Accept the pairing request on both your smartphone and the Smart Band 8.

Figure 3: Mi Fitness app interface for device pairing.
2.3 Basic Navigation
The Mi Smart Band 8 features a touch-sensitive AMOLED display for navigation:
- Swipe Up/Down: Scroll through menus and notifications.
- Swipe Left/Right: Access quick widgets or different watch faces.
- Tap: Select an item or confirm an action.
- Press and Hold: Change watch faces from the home screen.
Video 1: Overview of Xiaomi Mi Smart Band 8 features and user interface. This video demonstrates the band's display, navigation, and various functions.
3. Operating Instructions
3.1 Display and Interface
The Mi Smart Band 8 features a 1.62-inch AMOLED display with a 60Hz refresh rate, providing smooth visuals and responsive touch interactions. The display offers up to 600 nits of brightness with stepless automatic adjustment to ambient light conditions.

Figure 4: Diverse watch faces available for the Mi Smart Band 8.
3.2 Health Monitoring
The band offers comprehensive 24-hour health protection:
- Heart Rate Monitoring: Continuous tracking with automatic alerts for abnormal heart rates.
- Blood Oxygen Saturation (SpO2): All-day monitoring with vibration alerts for low levels.
- Sleep Monitoring: Scientific tracking of sleep stages (deep, light, REM) and quality reports, including naps.
- Stress Monitoring: All-day tracking with relaxation prompts for high stress levels.
- Women's Health Management: Tracks menstruation and predicts menstrual cycles (via Mi Fitness app).

Figure 5: Overview of health monitoring features.
3.3 Fitness Modes
With over 150 fitness modes, the Mi Smart Band 8 can track a wide range of activities, recording heart rate and calories burned. Specialized accessories allow for unique tracking methods:
- Running Mode: The band can be clipped onto running shoes for more accurate running data, including stride length and cadence.

Figure 6: Mi Smart Band 8 used with a running shoe clip accessory.
3.4 Notifications and Utilities
The band provides convenient smart features:
- Notifications: Receive call, text, and app notifications directly on your wrist.
- Find Phone: Locate your paired smartphone by triggering an alarm from the band.
- Camera Remote: Control your smartphone's camera shutter remotely.
- Timer & Stopwatch: Built-in tools for timing activities.
- Flashlight: Turn the screen bright white to use as a temporary light source.

Figure 7: Utility features available on the Mi Smart Band 8.
4. Maintenance
4.1 Charging & Battery Life
The Mi Smart Band 8 supports quick charging, reaching full capacity in approximately 1 hour. A full charge provides up to 16 days of typical usage or up to 6 days with the Always-On Display (AOD) feature enabled.
4.2 Water Resistance
The band has a 5ATM water resistance rating, meaning it can withstand pressures equivalent to a depth of 50 meters. This makes it suitable for swimming and showering, but it is not recommended for diving or high-pressure water activities.

Figure 8: Mi Smart Band 8 is water resistant.
4.3 Cleaning & Care
- Regularly clean the band and the device body with a soft, damp cloth.
- Avoid using harsh chemicals or abrasive materials.
- Ensure the charging contacts are clean and dry before charging to prevent corrosion.
5. Troubleshooting
5.1 Connection Issues
- Ensure Bluetooth is enabled on your smartphone and the band is within range.
- Restart both your smartphone and the Mi Smart Band 8.
- If issues persist, try unpairing and re-pairing the device through the Mi Fitness app.
5.2 Battery Drain
- Disable Always-On Display (AOD) if not needed, as it significantly impacts battery life.
- Reduce the frequency of continuous heart rate or SpO2 monitoring in the app settings.
- Ensure the band's firmware is up to date.
5.3 Screen Unresponsiveness
- Try restarting the band by connecting it to the charger.
- Ensure the screen is clean and dry.
5.4 App Synchronization Problems
- Check your internet connection on your smartphone.
- Ensure the Mi Fitness app has all necessary permissions enabled in your phone's settings.
- Clear the app's cache or reinstall the app if data is not syncing.
6. Specifications
| Feature | Specification |
|---|---|
| Model Name | Xiaomi Smart Band 8 |
| Model Number | M2239B1 |
| Display | 1.62" AMOLED, 60Hz Refresh Rate, 600 nits Peak Brightness |
| Battery Capacity | 190 mAh |
| Typical Battery Life | Up to 16 days |
| AOD Battery Life | Up to 6 days |
| Charging Time | Approx. 1 hour |
| Water Resistance | 5ATM |
| Connectivity | Bluetooth |
| Operating System | Android Wear 2.9 (compatible with Android and iOS via Mi Fitness app) |
| Dimensions (LxWxH) | 0.9 x 0.43 x 1.9 inches |
| Item Weight | 0.08 Kilograms |
7. Warranty and Support
For detailed warranty information and customer support, please refer to the official Xiaomi website or contact their customer service. Warranty terms may vary by region and retailer.
You can visit the official Xiaomi store for more information: Xiaomi Store