1. Introduction
The Xiaomi Redmi Watch 5 Active is a versatile fitness smartwatch designed to enhance your daily life and fitness journey. It features an ultra-large 2.0-inch LCD display, offering clear and vibrant visuals for all your notifications and data. With an impressive battery life of up to 18 days, you can enjoy extended usage without frequent recharging.
This smartwatch supports Bluetooth calling, allowing you to answer calls directly from your wrist with dual-mic noise reduction for clear communication. It boasts over 140 sport modes to track a wide range of activities, from swimming to running, and is water-resistant up to 5ATM, making it suitable for aquatic activities. Advanced health tracking features include heart rate monitoring, SpO2 measurement, and comprehensive sleep tracking.

Image: Overview of the Xiaomi Redmi Watch 5 Active highlighting its large display, long battery life, and Bluetooth calling capability.
2. Setup
2.1 Initial Charging
Before first use, fully charge your Redmi Watch 5 Active. Connect the magnetic charging cable (included in the box) to the charging contacts on the back of the watch and plug the USB end into a power adapter (not included) or a computer's USB port. The watch display will show the charging progress.

Image: The Redmi Watch 5 Active screen indicating a full 100% battery charge.
2.2 Pairing with Your Smartphone
- Download the Mi Fitness app from your smartphone's app store (Google Play Store for Android or Apple App Store for iOS).
- Open the Mi Fitness app and follow the on-screen instructions to create an account or log in.
- Turn on your Redmi Watch 5 Active by pressing and holding the side button.
- In the Mi Fitness app, select 'Add device' and choose 'Redmi Watch 5 Active' from the list of available devices.
- Confirm the pairing request on both your smartphone and the watch. A pairing code may appear on both devices; ensure they match.
- Once paired, the app will guide you through initial settings, such as language selection and personal profile setup.
Important Note regarding QR codes: Some users have reported issues with QR codes displayed on the watch or in the manual. It is recommended to download the official Mi Fitness app directly from your device's app store rather than scanning any QR codes that may lead to unofficial or suspicious websites. If a QR code appears on the watch during initial setup, you can usually swipe down or navigate past it to proceed with manual app pairing.
3. Operating Your Smartwatch
3.1 Display and Customization
The Redmi Watch 5 Active features a large 2.0-inch LCD display with a resolution of 320 x 385 pixels and 250 PPI, providing a clear and bright interface. You can customize the watch face to match your style or mood. The Mi Fitness app offers over 200 watch faces, and you can even use your own photos as a background.

Image: The elegant square display of the Redmi Watch 5 Active, designed with minimal bezels for an immersive viewing experience.

Image: A selection of over 200 watch faces available for the Redmi Watch 5 Active, allowing for personalized style.
3.2 Battery Life
Equipped with a 470 mAh battery, the Redmi Watch 5 Active offers exceptional battery performance:
- Standard Usage Mode: Up to 18 days.
- Intensive Usage Mode: Up to 12 days.
Actual battery life may vary based on usage patterns and settings.

Image: Visual representation of the Redmi Watch 5 Active's battery autonomy, indicating 18 days for standard use and 12 days for intensive use.
3.3 Bluetooth Calling and Notifications
Stay connected with Bluetooth calling directly from your wrist. The watch features dual-mic noise reduction for clearer calls, even in noisy environments. You will also receive notifications for calls, messages, and other app alerts directly on your watch.

Image: A user interacting with the Redmi Watch 5 Active to answer an incoming call.

Image: The Redmi Watch 5 Active displaying a call interface, emphasizing its dual-mic noise reduction and Bluetooth calling capabilities.
3.4 Sport Modes and Water Resistance
The Redmi Watch 5 Active supports over 140 sport modes, covering a wide range of activities such as swimming, running, yoga, and fitness. It provides precise tracking of your daily effort, vitality score, and other health indicators to ensure effective, data-driven workouts.

Image: A collection of icons illustrating the diverse range of over 140 sport modes supported by the Redmi Watch 5 Active.
With 5ATM water resistance, the watch can withstand pressure equivalent to a depth of 50 meters, making it safe for showering, swimming, and other water-based activities. Avoid using the watch in hot water or steam.

Image: The Redmi Watch 5 Active submerged in water, showcasing its 5ATM water resistance feature.
3.5 Health Tracking
The Redmi Watch 5 Active offers comprehensive health monitoring features:
- Heart Rate Monitoring: Continuously tracks your heart rate throughout the day.
- SpO2 Monitoring: Measures your blood oxygen saturation levels.
- Sleep Tracking: Monitors your sleep stages (deep, light, REM) and provides insights into your sleep quality.
- Stress Monitoring: Helps you understand your stress levels and offers breathing exercises.

Image: The Redmi Watch 5 Active screen showing a graph of heart rate data over time.
3.6 Other Functionalities
Beyond fitness and health, the Redmi Watch 5 Active includes several convenient features:
- Camera Control: Remotely control your smartphone's camera.
- Flashlight: Use the watch screen as a simple flashlight.
- Weather: Get real-time weather updates.
- Music Control: Manage music playback on your paired smartphone.
- Find My Phone: Locate your misplaced smartphone.

Image: The Redmi Watch 5 Active showing its application menu with icons for camera, phone, flashlight, and other features.
4. Maintenance
4.1 Cleaning Your Watch
Regularly clean your Redmi Watch 5 Active to ensure optimal performance and hygiene:
- Wipe the screen and watch body with a soft, lint-free cloth.
- For stubborn stains, dampen the cloth slightly with water. Avoid using harsh chemicals or abrasive materials.
- Clean the charging contacts periodically with a dry cloth to ensure good connection.
- Rinse the watch strap with clean water after workouts or exposure to sweat, and allow it to air dry completely before wearing.
4.2 Water Resistance Guidelines
The watch is 5ATM water-resistant. This means it can be used for shallow-water activities like swimming in a pool or ocean. However, it is not suitable for hot showers, saunas, or diving. Avoid exposing the watch to high-velocity water or sudden temperature changes, as this may compromise its water resistance.
5. Troubleshooting
5.1 Common Issues and Solutions
- Watch not turning on: Ensure the watch is fully charged. If it still doesn't turn on, try connecting it to the charger for at least 30 minutes.
- Cannot pair with smartphone:
- Ensure Bluetooth is enabled on your smartphone.
- Make sure the watch is within range of your smartphone.
- Restart both the watch and your smartphone.
- Clear the Bluetooth cache on your smartphone (Android) or forget the device and re-pair (iOS).
- Ensure you are using the official Mi Fitness app.
- Inaccurate health data: Ensure the watch is worn snugly on your wrist, about one finger's width above your wrist bone. Clean the sensors regularly.
- Short battery life: Reduce screen brightness, disable always-on display, limit continuous heart rate monitoring, and turn off unnecessary notifications.
- Screen unresponsive: Try restarting the watch by pressing and holding the side button until it powers off and then on again.
5.2 QR Code Warning
As noted in the setup section, some users have reported issues with QR codes displayed on the watch or in the included manual. These QR codes might lead to unofficial or potentially malicious websites that could request sensitive information. To ensure your security and the proper functioning of your device, always download the Mi Fitness app directly from official app stores (Google Play Store or Apple App Store). If a QR code appears on your watch during initial setup, simply swipe past it or navigate to the manual pairing option within the Mi Fitness app.
6. Specifications
| Feature | Specification |
|---|---|
| Brand | Xiaomi |
| Model Number | M2351W1 |
| Display | 2.0-inch LCD |
| Operating System | HyperOS 2.0 |
| Connectivity | Bluetooth |
| Battery Capacity | 470 mAh Lithium-ion |
| Battery Life (Standard) | Up to 18 days |
| Water Resistance | 5ATM |
| Special Features | Voice Call, Lightweight, Always On Display, Alarm, Multi-sport Tracker |
| Compatible Devices | Smartphone, Tablet, PC |
| Color | Grey |
7. Warranty and Support
7.1 Manufacturer's Warranty
The Xiaomi Redmi Watch 5 Active comes with a 2-year manufacturer's warranty. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
7.2 Customer Support
For further assistance, technical support, or warranty claims, please refer to the official Xiaomi support channels. You can typically find support information on the Xiaomi official website or through the Mi Fitness app.
Please note that availability of spare parts information is currently unavailable.





