The Huawei Watch Ultimate has been reported to have significant issues with its heart rate monitoring, particularly during exercise. One of the major problems is the accuracy of the heart rate data, which can vary widely and unpredictably. In a comparison with a chest belt monitor, the Huawei Watch Ultimate showed an average difference of about 9.8% in heart rate readings across several runs, making it less reliable than other devices like the Apple Watch Ultra[1].
For optimal heart rate monitoring, users are advised to ensure the watch is fitted snugly on the wrist, about one finger width above the wrist bone, to prevent it from sliding during exercise[4]. Additionally, enabling continuous heart rate monitoring in the Huawei Health app can help improve accuracy[10]. However, even with these adjustments, the watch's heart rate monitoring during intense activities remains less accurate compared to dedicated chest straps[1].
Other factors that might affect heart rate accuracy include external ambient light, slight arm movements, and differences in skin types or conditions, such as tattoos or hair[10][7]. Optical heart rate sensors, like those used in the Huawei Watch Ultimate, are generally less precise than medical-grade devices like ECGs or arterial pressure meters[10].
To address these issues, users can consider pairing a third-party Bluetooth chest belt monitor for more accurate heart rate tracking during workouts[1]. Regular software updates may also improve the algorithms used for heart rate monitoring, potentially enhancing accuracy over time[11].
Citations:
[1] https://www.expertreviews.co.uk/smartwatches/1418577/huawei-watch-ultimate-review
[2] https://consumer.huawei.com/en/support/content/en-us00733872/
[3] https://www.reddit.com/r/HuaweiWatchGT/comments/1fz9e4j/a_huawei_watch_guide_for_beginners/
[4] https://consumer.huawei.com/en/support/content/en-us00733932/
[5] https://consumer.huawei.com/en/support/content/en-us15771431/
[6] https://pmc.ncbi.nlm.nih.gov/articles/PMC11230110/
[7] https://www.reddit.com/r/Huawei/comments/z70u51/huawei_watch_fit_2_heart_rate_monitoring_problems/
[8] https://www.reddit.com/r/Huawei/comments/12pipxf/huawei_watch_ultimate_a_little_problem_on_the_gps/
[9] https://xdaforums.com/t/huawei-gt2-heart-rate-issue.4049751/page-2
[10] https://consumer.huawei.com/en/support/content/en-us00733859/
[11] https://consumer.huawei.com/en/support/content/en-us15801833/