Introduction: Why Huawei and Xiaomi synchronization raises questions
The synchronization of Huawei’s smartwatches with Xiaomi’s phone (including the Redmi and POCO models) is often a headache for users, and the reason lies in different ecosystems: Huawei uses its own Huawei Health platform, and Xiaomi uses Mi Fitness (formerly Zepp), which does not always interact correctly with each other, especially when it comes to new watch models (Huawei Watch GT 4, Watch Ultimate) or smartphones on HyperOS.
In this article, you'll find step-by-step instructions that take into account all the nuances from preparing your phone to solving errors like "can't connect" or "app can't see the watch." We'll also look at how to set up notifications, pulsemeter and GPS, the features that most often fail when cross-platform synchronization, and if you've tried to connect your watch and you've got an error, skip the first steps and go straight to the "Problem Solutions" section.
⚠️ Important: The instructions are relevant for Android 10–14 Huawei watches on HarmonyOS 2.0/3.0. For Huawei Watch D (with pressure sensor) and Watch 4 Pro may require additional settings – they are highlighted separately.
Preparing Xiaomi Phone for Connection
Before syncing, you need to optimize your smartphone settings to avoid conflicts between Huawei and Xiaomi services.
- 📱 Update the firmware: Go to Settings → The phone. → HyperOS requires a version at least 1.0.23 (otherwise, Huawei Health will issue error 1006).
- 🔄 Reset the Google Play cache: Go to Settings → Annexes → Application management → Google Play Store → Warehouse → Clear cache.This fixes the issue with Huawei Health boot getting stuck.
- 🛡️ Turn off battery optimization for Huawei Health: In Settings → Battery → Battery Optimization Find the App and Select "No Limits".
- 📡 Enable All Permits: For Huawei Health, Activate Access to Geodata, Contacts, SMS Telephone (required for notifications).
🔹 For owners. POCO F5 And Redmi Note 12: These models have the default power saving mode for the background. So that the clock doesn't turn off after 5-10 minutes, go to Settings. → Battery → Performance mode and select "High Performance".
Installation and configuration of Huawei Health
Huawei Health is the only way to fully connect the watch to Xiaomi, and alternative programs like Notify & Fitness do not support synchronization of health and GPS data.
- Download Huawei Health from AppGallery or Google Play. Don’t use APKs from third-party sources – they may contain outdated libraries that won’t detect the clock.
- Register for a Huawei ID account. If you already have an account but the app asks for re-entry, update your password on the Huawei ID site – this solves 70% of login problems.
- Turn on Bluetooth and Wi-Fi on your phone. For eSIM watch models (Huawei Watch 3 Pro), also activate mobile data.
- Start Huawei Health and click Add Device → Watch → Select your model. If your watch doesn't appear on the list, restart your phone and try again.
⚠️ Warning: If you see a message after downloading Huawei Health saying "Device not supported", it means your phone is not certified to work with HarmonyOS:
1. Install Huawei Mobile Services (HMS Core) from the official website. 2. Go to Settings → Apps → Application Management → HMS Core and clear the cache. 3. Reboot the phone and re-install Huawei Health.
Installed the latest firmware update Xiaomi|Downloaded the official application Huawei Health|Battery optimization for Huawei Health is disabled|All permissions for the application are included|Huawei account ID confirmed by email-->
Matching a clock with a phone: a step-by-step process
When you're done, you go to pairing, and this is the most important stage, because most of the errors occur here. Follow the instructions accurately, and don't skip the steps.
- On a Huawei watch, go to Settings → Bluetooth and activate search mode. A 6-digit code will appear on the screen - write it down.
- In the Huawei Health app, click Add Device → Select Watch Model → Connect. The phone will start searching.
- When the watch appears in the list, click on it. The same code will appear on the phone and watch screen, confirm pairing on both devices.
- Wait until sync is complete (it can take up to 5 minutes) and do not close the app or lock the phone screen at this time.
Critical detail: If the Huawei Watch GT 4 or later isn't connected, try turning off the phone's Wi-Fi and using only mobile data.This model conflicts with some Xiaomi routers (especially the Mi Router 4A), which blocks synchronization.
🔹 For the clock with NFC (Huawei Watch 4 Pro: After connecting, you need to activate the feature in Huawei Health:
Profile → My devices → [Clock Name] → Cards and payments → Set up Huawei Pay💡
If the clock is not fixed, try connecting it to another phone (even on iOS) for at least 5 minutes, and then it unlocks and becomes visible to Xiaomi.
Set up notifications and calls
By default, notifications from Xiaomi to Huawei watches may be delayed or not arriving at all, due to background activity restrictions in MIUI/HyperOS.
- At Huawei Health, go to Profile → My Devices → [Your Watch] → Notifications and turn on all the switches.
- On your phone, go to Settings → Apps → App Management → Huawei Health → Permissions → Additional → Display on top of other windows and activate the option.
- For stable call operation, disable Fiber Optimization (HyperOS only): Settings → Special Features → Fiber Optimization → Disable
⚠️ Note: If you have Xiaomi 13/14 With HyperOS, notifications can be duplicated:
1. Open Settings → Notifications and Status bar → Additional. 2. Find Huawei Health in the list and turn off "Show notifications on the lock screen." 3. Reboot your phone.
| Problem. | Reason. | Decision |
|---|---|---|
| Notifications are coming with a delay | Restriction of background activity in MIUI | Turn off battery optimization for Huawei Health |
| They don't come. SMS | No permission to access messages | Enable permission in Settings → Apps → Huawei Health → Permits |
| Calls stop in 10 seconds. | The conflict with Google Phone | Install the standard phone app from Xiaomi |
| No vibration at notifications | The clock settings reset | Go to Settings of the clock → Sounds and vibration → Vibration at notifications |
Synchronizing Health and Fitness Data
One of the main reasons for buying a smartwatch is health monitoring, but when you connect to Xiaomi, you may have problems transmitting heart rate, sleep and steps.
- 🩺 Pulsemeter not working: Make sure the clock is on Continuous heart rate monitoring (Settings) → Health → For accuracy, the data are only synchronized when the hand is stationary for 5 seconds.
- 😴 No sleep displayed: At Huawei Health, go to Profile → Settings → Data management → Synchronize the data of the dream and turn on the option. Xiaomi with HyperOS also requires permission to activity in the background.
- 🏃 Steps are not synced: Open on the phone Settings → Annexes → Huawei Health → Permits and enable access to physical activity. If you use Google Fit, turn it off while you set it up.
🔹 For owners of Huawei Watch D (with pressure sensor): To transmit pressure data correctly, you need to calibrate the sensor once every 2 weeks:
On the clock: Settings → Health → Blood pressure → CalibrationHow to export data to Google Fit?
Solving Typical Errors When Connecting
Even with the correct instructions, there may be failures, and here is a list of the most common errors and ways to fix them, based on the analysis of the 4PDA and Xiaomi Community forums:
| Mistake. | Code/message | Decision |
|---|---|---|
| The clock is not in. | "Failure to detect the device." | 1. Reset the clock (press the power button for 10 seconds). 2. On the phone, turn off Bluetooth, then turn it on again. 3. Remove the watch from the list of mated devices in the Bluetooth settings. |
| Synchronization error | Code 1006 or 2003 | 1. Update Huawei Health and HMS Core. 2. Clear the app cache (Settings → Apps → Huawei Health → Storage). 3. Check your internet connection (synchronization requires access to Huawei servers). |
| App hangs. | "Waiting for response from the device" | 1. Disable VPN or proxy (they block the connection to Huawei servers). 2. Set your phone region to China or Germany in Settings → Additional → Region. 3. Reinstall Huawei Health. |
| No sound in the call. | The call is going, but no one can hear the interlocutor. | 1. On the watch, check the volume (Settings → Sounds → Call volume). 2. On the phone, turn off Bluetooth, then reconnect the watch. 3. If you use True Wireless headphones, turn them off - they can conflict with the clock. |
⚠️ WARNING: If after all the manipulations, the Huawei Watch Ultimate is still not connected, the problem may be incompatibility of the firmware:
1. On the watch, go to Settings → About the watch → Software version. 2. If the version is below 3.0.0.120, update the watch through Huawei Health (Profile → My devices → Software update). 3. For a forced update, connect the watch to charging and restart it 3 times in a row (press the power button for 15 seconds).
💡
90% of connection problems are solved by cleaning the Huawei Health cache and restarting both devices. If the error persists, check the compatibility of the software versions.
Additional settings for advanced users
If you want to maximize the potential of your watch, use these tips:
- 🎵 Music management: To control playback on your phone from the clock, install Huawei Music or use Poweramp with Bluetooth control plugin.
- 📍 Precisely. GPS: For running and cycling, turn on the dual-band GPS in the settings of the clock (Settings) → System system → This reduces the error to 1-2 meters.
- 🔋 Battery savings: Turn off automatic weather updates and constant stress monitoring – this will prolong the work hours by 20-30%.
- 🔄 Backup: Export health data once a month through Profile → Settings → Data management → Exports.
🔹 For developers: If you want root access to your custom firmware installer, use the Huawei Watch Toolbox (available on GitHub).Please note: this voids the warranty and may cause the device to break.