If you own an older Samsung smartphone and were worried about getting left behind in the next software cycle, you can breathe a sigh of relief. Right now, the public spotlight is completely on the Galaxy S26 series, which just received its third One UI 9 beta build. However, behind closed doors, Samsung’s development team is quietly working on a massive wave of updates for the phones already in our pockets. The company has officially started internal testing for One UI 9 on a huge mix of older flagships and mid-range devices.
According to recently spotted firmware build data, Samsung is making sure its older heavy hitters are ready for action. The brand started working on early software builds for the Galaxy S24 and Galaxy S23 series. However, they aren’t stopping at traditional slabs. High-end foldables like the Galaxy Z Fold 7 and even popular everyday mid-rangers like the Galaxy A56 are already on the test servers (via GSMArena).
Spotting the early software trails
The tech world caught wind of this move because specific, traceable firmware numbers started popping up on tracking platforms. For example, the early software build running on the Galaxy Z Fold 7 carries the version F966USQUACZF3, while the base Galaxy S23 and the Galaxy A56 showed up with builds ending in GZF9 and ZFB, respectively.
The software team is also covering the entire 2024 flagship family. The standard Galaxy S24, the Plus, the Ultra, and even the budget-friendly Galaxy S24 FE are actively running experimental firmware versions. These newly discovered test builds add to a growing list of phones already spotted on the back-end servers. The list includes the Galaxy S25 series, a handful of budget A-series models, and even the unannounced Galaxy S26 FE.
What is the timeline for the final rollout?
Samsung is keeping quiet about which of these older models will get a public beta next. However, looking at how the company usually handles updates gives us a pretty clear roadmap. The very first devices that regular shoppers can buy with One UI 9 running straight out of the box will be Samsung’s next generation of flexible screens.
The rumor mill points to three big upcoming releases: the Galaxy Z Flip 8, the Galaxy Z Fold 8, and a brand-new Galaxy Z Fold 8 Ultra. Word on the street suggests that Samsung plans to officially reveal these shiny new foldables at an event in London on July 22. In the meantime, seeing these internal builds active is great news for anyone rocking an older Galaxy phone.
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