Samsung has started rolling out the stable Android 15-centric One UI 7 update for Galaxy A55. It comes out after a month of beta testing. For the time being, the rollout is live in Europe with a flurry of new features and enhancements.
Samsung Galaxy A55 One UI 7 stable update is seeding with A556BXXU7BYDB build number. A number of users have already received the update on their A55; here’s a screenshot shared by Tarun Vats on X, revealing key details of the software update.

The update weighs approximately 2.9GB in download size and bags the May 2025 monthly security patch. As it is a major upgrade, please ensure you have enough storage available on your device.
One UI 7 stable update for Galaxy A55 comes with a bunch of new features including the all-new Now Bar, which shows live activities such as Interpreter, Music, Recording, Stopwatch, and more.
Other than that, the upgrade brings an all-new home screen user interface, starting with the app icons, quick panel, font, new One UI widgets, and more. You can check out the complete list of changes here.
If you own the Galaxy A55, you can check for new updates in Settings > Software Update > Download and Install.
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