Samsung is actively working on the development of One UI 9, and judging by the recent pace of testing, the update appears to be progressing quickly. If development continues at this rate, Samsung could begin expanding the One UI 9 public beta program to more Galaxy devices sooner than expected, followed by the stable rollout in the coming months.
Over the past week, One UI 9 test firmware has been spotted for several additional Galaxy devices, indicating that Samsung is steadily expanding its internal testing across more of its lineup.
Samsung has reportedly begun One UI 9 development for the following Galaxy devices this week:
- Galaxy S23 FE
- Galaxy A55
- Galaxy A54
- Galaxy A37
- Galaxy A36
- Galaxy A26
- Galaxy A25
- Galaxy A07
- Galaxy M56
- Galaxy M35
- Galaxy M15
- Galaxy F34
- Galaxy Tab S9 Ultra
The latest findings have been confirmed by multiple reliable sources, including tipster Mohammed Khatri, Tarun Vats, and SammyGuru. According to their reports, One UI 9 test firmware has been spotted on Samsung’s servers across multiple regions, including Korea, India, Europe, and Global markets.
At the moment, the build numbers are available for only a limited number of devices. The currently known One UI 9 test build numbers are listed below.
- Galaxy A55 – A556BXXUFEZF7
- Galaxy A54 – A546BXXUKGZF1
- Galaxy A37 – A376EXXU3BZG1
- Galaxy A36 – A366BXXUADZG1
- Galaxy A26 – A266MUBU9DZF1
- Galaxy A25 – A256BXXUCFZF1
- Galaxy A24 – A245FXXUCGZF4
- Galaxy A07 – A075FXXU5DZF7
These Galaxy devices now join the growing list of models for which One UI 9 internal testing has already been spotted. The list already includes the Galaxy S26 FE, Galaxy S25 series, S24 series, S23 series, Galaxy A57, Galaxy A56, Tab S10 Ultra, Galaxy A17 5G, and Galaxy A16 5G.
One UI 9 is the next major One UI release for Galaxy devices and is based on the latest Android 17 OS. Currently, the public beta of One UI 9 is exclusively available for the Galaxy S26 series. While it’s expected to expand to other models soon, don’t get your hopes up; it’s likely to be limited to a select few, as history suggests.
The official One UI 9 update is expected to be unveiled alongside upcoming foldable devices and plans to be released for older models later this year and early next year.
Some features of One UI 9 have already been revealed through the public beta for the Galaxy S26 series. According to the public beta, the One UI 9 to bring Quick Panel customization improvements, text spotlight, stronger app security, and more adaptive clock styles. You can check all the features here.
Explore More:
- Samsung Galaxy S26 FE Wallpaper leaks before launch
- Download Samsung Galaxy A27 Stock Wallpapers [FHD+]
- Galaxy S25 One UI 9 test build spotted on Samsung servers
- Samsung launches One UI 9 Beta Program for Galaxy S26 in India
- First One UI 9 test build for Galaxy S26 FE spotted on Samsung servers
- One UI 9 Beta 1 Hotfix Update Goes Live for Galaxy S26 in the USA

