One UI 8 Watch update causes problems with Galaxy Watch 4 Classic sensors
Samsung started rolling out the One UI 8 Watch update, based on Wear OS 6, for Galaxy Watch 4 Classic in early December. The version brings interface improvements, new application icons and performance optimizations, marking the last major update for the model launched in 2021. However, users began to report serious problems shortly after installation, especially related to health sensors.
Initial reports on the Samsung forum
The first reports appeared on the official Samsung forum at Índia. Usuários indicated that sensors such as pulse detection, bioelectrical impedance analysis (BIA) and electrocardiogram (ECG) stopped working after the update. Ferramentas diagnostics integrated into the watch confirmed the failures in automatic tests.
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Unusual sensor behavior
The affected sensors return to operation when the watch is worn with the dial facing the palm of the hand. Essa temporary inversion allows correct readings of heart rate and other data. Medidas Common solutions, such as factory reset and clearing the cache, did not solve the problem for most owners.
Possible pause in update distribution
Some users have reported that the update has not appeared on their devices in the last few days. Isso has sparked speculation that Samsung has temporarily suspended the release to investigate the flaws. The company has not yet officially commented on the case.

Impact limited to model Classic
The problems seem to be concentrated in Galaxy Watch 4 Classic. Não there are significant reports of similar failures in the Galaxy Watch 4 standard. Outras series of watches from Samsung do not present similar reports to date.
Recommendations for users
Owners of Galaxy Watch 4 Classic should avoid installing the update for now. It is advisable to check the Samsung forum for updates on fixes. Caso the device has already received the update, monitoring reversed usage can serve as a temporary solution.
Update context One UI 8 Watch
The One UI 8 Watch represents the transition to Wear OS 6. Para o Galaxy Watch 4 Classic, some advanced features are limited due to older hardware.
Samsung usually releases corrective patches when it identifies problems with updates. Affected Usuários can wait for a revised version of the One UI 8 Watch. Enquanto this, the watch remains functional for basic functions such as notifications and time.

















