How to Fix Samsung One UI 8.5 Problems: Battery Drain and Bugs
Following the global rollout of Samsung's One UI 8.5 update in May 2026, users have reported various technical issues, most notably severe battery drain on Galaxy S25 and S24 series devices. This article outlines confirmed bugs and intentional changes, providing step-by-step troubleshooting guides. Key problems include aggressive power consumption, missing camera features like Dual Recording, and crashes in the Voice Recorder app. For general battery drain, experts recommend waiting 7-14 days for system re-indexing, wiping the cache partition, resetting battery stats, and updating Samsung apps via Galaxy Store. A specific fix for T-Mobile users involves uninstalling updates for the 'Mobile Services' system app, which has been identified as a primary cause of excessive power usage on carrier-specific units. The guide also addresses interface changes, such as shifted notification buttons, and advises users on managing background app limits to mitigate performance issues during the software's settling-in period.
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