Samsung rolled out the Android 16-based One UI 8 stable update for the Galaxy S25 series earlier this week in South Korea, and later released it in more countries, including India, Germany, and the UK. Now, the update is seeding in the US.
The One UI 8 stable update for the Samsung Galaxy S25 series has firmware version S93xUSQU5BY13/S93xUOYN5BY13/S93xUSQU5BY13, comes with the September 2025 Android security patch, and weighs over 3.8GB in size. But note that this is the download size for users running One UI 7 on their smartphones.
Samsung Galaxy S25 Ultra
If you live in the US and haven’t received the stable One UI 8 on your Galaxy S25 series smartphone, you can check for it manually by navigating to your phone’s Settings > Software update menu.
Samsung recently shared the official One UI 8 stable update rollout schedule for eligible devices. You can check it here. But note that it doesn’t apply to all regions.
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