Huawei Watch Fit 4 Pro Update Adds HRV Feature to Smartwatch

Key Takeaways

1. Huawei is launching a global software update (version 5.1.0.118) for the Watch Fit 4 Pro smartwatch, which is 49.20MB in size.
2. The update enables real-time heart rate variation (HRV) measurements in the Heart Rate app, along with measurement animations and a detailed log for tracking heart rate and recovery.
3. The user interface (UI) for the Heart Rate app has been improved, providing more detailed information.
4. The update includes system stability optimizations, though specific details were not provided.
5. The software update is rolling out in phases, with users in some Asian and European regions already receiving it; it can be downloaded through the Huawei Health app.


Huawei is said to be launching a new global update for the Watch Fit 4 Pro smartwatch. This device was unveiled in May 2025 as a competitor to the Apple Watch Ultra 2. The smartwatch is now getting software version 5.1.0.118(SP5C00M01), which is a 49.20MB update.

New Features Added

The release notes for the Huawei Watch Fit 4 Pro mention that the Heart Rate (HR) app can now measure heart rate variation (HRV). Although the smartwatch was advertised with HRV as a feature, users quickly discovered that the tool wasn’t functioning as expected. Following this update, HRV measurements can be seen in real-time within the HR app on your watch. Additionally, there are now measurement animations and a detailed log to track your heart rate and recovery heart rate after workouts, which can be viewed in the Huawei Health app.

User Experience Improvements

Huawei also states that the version 5.1.0.118 brings an improved user interface (UI) for the Heart Rate app, providing more detailed information. Furthermore, the update is claimed to include system stability optimizations “in certain situations,” but no more information has been shared.

Software version 5.1.0.118 seems to be rolling out in phases to users of the Huawei Watch Fit 4 Pro (currently priced at €279 on Amazon.de). Users in some Asian and European regions have already reported receiving it. Once it’s available in your area, you can download the update through the Huawei Health app.

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