Samsung is putting a lid on the early peeks into its One UI software updates. In recent months, tech enthusiasts and leakers have been able to access internal One UI 8 builds, revealing features for upcoming devices like the Galaxy S25 Ultra, Z Flip 6, and Fold 6. 
These early glimpses came from a loophole that allowed developers to tap into Samsung’s internal update server-meant strictly for internal testing.
That backdoor is now officially closed. According to SamMobile, Samsung has patched the flaw that gave people access to confidential firmware files for smartphones, tablets, and wearables. This means no more leaked internal test builds-at least not from that route.
While this puts a stop to the juicy early leaks we’ve been used to, not all is lost. Samsung will continue to release official firmware for public downloads, and beta builds will still be rolled out ahead of major releases. So, while you won’t see raw internal builds of One UI 8.5 ahead of the Galaxy S26 series, you’ll likely get access through official beta programs, especially on existing S25 models.
In short, Samsung has taken control of the leak pipeline. The thrill of hidden features might be gone, but controlled early access through betas isn’t going anywhere-for now.