Samsung Galaxy A15 4G and Galaxy A24 4G receive One UI 8.5 stable update

After rolling out the stable One UI 8.5 update for the Galaxy A15 5G, Samsung has now released it for the Galaxy A15 4G.

Samsung Galaxy A15

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The stable One UI 8.5 for the Samsung Galaxy A15 4G is rolling out in South Korea for model number SM-A155N. The update has firmware version A155NKSU9DZF1, comes with the May 2026 Android security patch, and requires a download of around 2.5GB.

The One UI 8.5 stable update for the Samsung Galaxy A24 4G is also rolling out in South Korea. It's rolling out for the A24 4G with model number SM-A245N, has firmware version A245NKSU9FZF1, and weighs 2.4GB in size.

If you live in South Korea and haven't received the stable One UI 8.5 update on your Galaxy A15 4G or Galaxy A24 4G yet, you can check for the update manually by heading to its Settings > Software update menu.

Samsung Galaxy A15 5G

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The rollout should expand to other countries in the coming days.

Source 1 (in Korean), Source 2