1. Introduction
The HUAWEI Watch FIT 4 is a versatile smart watch designed to enhance your daily life with advanced health and fitness tracking capabilities. Featuring a vibrant 1.82-inch AMOLED display, a slim and lightweight design, and an extended battery life, it seamlessly integrates with both iOS and Android devices to provide comprehensive insights into your wellbeing and activity.

Figure 1: Front view of the HUAWEI Watch FIT 4 Smart Watch.
2. Initial Setup
2.1. Unboxing and Charging
Upon unboxing your HUAWEI Watch FIT 4, ensure all components are present: the watch, charging cable, and documentation. Before first use, fully charge the device using the provided charging cable. A 10-minute charge can provide a full day of power, while a complete charge takes approximately 75 minutes.

Figure 2: HUAWEI Watch FIT 4 connected to its wireless charger, illustrating battery life and charging speed.
2.2. Pairing with Your Smartphone
- Download the HUAWEI Health App: Search for "HUAWEI Health" in your smartphone's app store (available for iOS and Android).
- Enable Bluetooth: Ensure Bluetooth is enabled on your smartphone.
- Open the App and Add Device: Open the HUAWEI Health app, navigate to the 'Devices' section, and select 'Add device'. Choose the HUAWEI Watch FIT 4 from the list of available devices.
- Follow On-Screen Prompts: The app will guide you through the pairing process. Confirm the pairing request on both your smartphone and the watch.

Figure 3: HUAWEI Watch FIT 4 successfully paired with a smartphone via the Huawei Health app.
3. Operating Your Watch
3.1. Navigation
- Touchscreen: Swipe left, right, up, or down to navigate through menus, notifications, and widgets. Tap to select items.
- Side Button: Press the side button to return to the home screen or access the app list.
- Rotating Crown: Rotate the crown to scroll through lists and adjust settings. Press it to confirm selections.

Figure 4: Close-up of the HUAWEI Watch FIT 4's side, highlighting the rotating crown and button for navigation.
4. Key Features
4.1. Design and Display
The HUAWEI Watch FIT 4 features a slimmed-down design, weighing just 27g and measuring 9.5mm thick, ensuring comfort during prolonged wear. Its 1.82-inch AMOLED display offers vibrant visuals and an always-on option.

Figure 5: The slim design of the HUAWEI Watch FIT 4, highlighting its thickness and weight.
4.2. Health Tracking
- Health Insights App: Access next-level guidance on healthier lifestyles, including tips on managing stress, improving sleep, and optimizing workouts.
- Heart Rate Monitoring: Continuously tracks your heart rate, providing data on heart rate zones during workouts.
- Sleep Tracking: Monitors sleep patterns, including deep sleep, light sleep, REM sleep, and awake times, providing a detailed sleep score and insights into respiratory rate, heart rate, and blood oxygen levels during sleep.
- Blood Oxygen (SpO2) Monitoring: Measures blood oxygen saturation levels.
- Emotional Wellbeing Assistant: Provides tools and insights to help manage stress and emotional balance.

Figure 6: The Health Insights app on the HUAWEI Watch FIT 4, showing various health metrics.
4.3. Fitness Tracking
- 100+ Sports Modes: Supports a wide range of activities, from mountain climbing and hiking to skiing, stair climbing, and trail running.
- Pinpoint Positioning (HUAWEI Sunflower Positioning System): Provides accurate location tracking for outdoor activities like walking, running, cycling, hiking, and orienteering, offering precise metrics for scientific training.
- Barometer: Tracks altitude, accumulated ascent, and air pressure, useful for activities like mountain climbing.

Figure 7: HUAWEI Watch FIT 4 displaying altitude and elevation data during a hike.

Figure 8: HUAWEI Watch FIT 4 displaying cycling metrics with GPS tracking.
4.4. Smart Functions and Customization
- Notifications: Receive calls, messages, and app notifications directly on your wrist.
- Music Control: Manage music playback from your watch.
- Remote Shutter: Use your watch as a remote control for your smartphone camera.
- Customizable Watch Faces: Personalize your watch with a variety of watch faces to match your style and display preferred information.
5. Maintenance and Care
- Cleaning: Regularly clean your watch and strap with a soft, dry cloth. Avoid harsh chemicals.
- Charging: Use only the official HUAWEI charging cable. Ensure the charging contacts are clean and dry before charging.
- Water Resistance: The watch is designed to be water-resistant. Refer to the specifications for details on water resistance ratings and avoid using it in hot water or steam.
6. Troubleshooting
- Connectivity Issues: If the watch fails to connect to your smartphone, ensure Bluetooth is on, the HUAWEI Health app is updated, and the watch is within range. Restarting both devices can often resolve the issue.
- Battery Drain: If battery life is shorter than expected, check for excessive use of GPS, continuous heart rate monitoring, or a large number of notifications. Adjust settings in the HUAWEI Health app to optimize battery usage.
- Unresponsive Stopwatch/Features: Some users have reported occasional unresponsiveness with certain features like the stopwatch. Ensure your watch's software is up to date via the HUAWEI Health app. If the issue persists, a factory reset may be necessary (back up data first).
- Regional Feature Limitations: Be aware that certain advanced features, such as ECG or specific payment functionalities, may be restricted based on your geographical region. Consult HUAWEI's official support channels for region-specific feature availability.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | HUAWEI |
| Model Name | WATCH FIT 4 |
| Model Number | Seiya-B09F |
| Operating System | HarmonyOS |
| Screen Size | 1.82 Inches |
| Display Type | AMOLED |
| Scanner Resolution | 390 x 390 |
| Special Features | Activity Tracker, Always On Display, Cycle Tracking, GPS, Notifications |
| Compatible Devices | Smartphone (iOS & Android Compatible) |
| Battery Life (Max) | Up to 10 days |
| Charging Time | 10 minutes for a day, 75 minutes for full charge |
| Battery Capacity | 400 Milliamp Hours |
| Connectivity Technology | Bluetooth |
| Human Interface Input | Buttons, Touchscreen |
| Item Weight | 27g (without strap) |
8. Warranty and Support
For warranty information, technical support, or service inquiries, please visit the official HUAWEI support website. You can find detailed support resources and contact information at: https://consumer.huawei.com/ca/support/.
HUAWEI Technologies Canada Co., Ltd. is located at 19 Allstate Parkway, Markham, ON L3R 5A4.





