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A Galaxy S25 downloading the One UI 8 beta.

Credit: Joe Maring / Android Authority
  • Samsung has begun rolling out the second One UI 8 beta for the Galaxy S25 series.
  • The second beta is available to users in South Korea, but the program has also expanded to India.
  • We’ve not yet heard reports about users in the US, UK, and Germany getting the second beta update, even though they were part of the first wave of release.

Samsung released the first One UI 8 beta late last month for Galaxy S25 devices, giving users a glimpse of what’s coming with their Android 16 update. Now that Google has also released stable Android 16, Samsung has gone ahead and released One UI 8 beta 2 to users.

The second One UI 8 beta build for the Galaxy S25 series (h/t Tarun Vats) is 1.2GB in size over the first update, and has the version number S938NKSU4ZYF3/ S938NOKR4ZYF3/S938NKSU4BYF3, depending on the region. This update is rolling out to users in South Korea.