After finishing the rollout of the One UI 9 update for models ranging from the Galaxy S26 Ultra to the Galaxy A15, Samsung is apparently looking forward to its next big update. One UI 9.5 is expected to launch with the Galaxy S27 series, and we’ve seen traces of its beta for the Galaxy S26 series, but a new leak suggests there could be good news for Galaxy S25 owners as well.
Samsung is testing a One UI 9.5 beta for the Galaxy S25
After the first test builds of the One UI 9.5 beta for the Galaxy S26appeared on its internal servers, it appears that Samsung is also testing a build for the Galaxy S25 series. According to SamMobile’s Fahad Ali Jawed, there were three test builds for the upcoming software on the Korean company’s servers.
In his post on X, Jawed notes that the builds come with firmware versions S938BXXUDEZKG, S938BOXMDEZKG, and S348BXXUDEZKG, all meant for the Galaxy S25 series models. These numbers reveal that Samsung may skip the bootloader upgrade for its older phones.
Earlier reports claimed that the Galaxy S26 models will feature a new version 6 bootloader. While the firmware versions of these builds don’t point at such a change for the S25 series, there’s no official confirmation about the bootloader on any of the models.
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Do you plan to install the One UI 9.5 beta on your Galaxy phone?
The One UI 9.5 beta may launch very soon
You may be able to try One UI 9.5 soon. | Image by Samsung
Samsung hasn’t given any official indication about the potential start of the One UI 9.5 beta program, but various sources claimed that it may start very soon. Jawad himself says in a separate post on X that the beta for the S26 series could start as early as next week.
If that’s the case, it would make sense for Galaxy S25 owners to be able to join the One UI 9.5 beta program in the coming weeks, probably in early December. However, other sources claimed that the beta may start in December.
When will One UI 9.5 launch?
Regardless of the beta releases, owners of older Galaxy phones may need to wait quite a while before getting the stable update for their phones. Samsung is expected to launch the Galaxy S27 series in the beginning of 2027, and the update for older phones is unlikely to arrive right after the premiere.
The new software is expected to come with a bunch of new features, including improvements to the Phone app, and improvements to voice dictation, similar to Google’s Rambler feature. Considering the rumors so far, I think One UI 9.5 will be full of nice upgrades, and I can’t wait to test them myself.
Ilia, a tech journalist at PhoneArena, has been covering the mobile industry since 2011, with experience at outlets like Forbes Bulgaria. Passionate about smartphones, tablets, and consumer tech, he blends deep industry knowledge with a personal fascination that began with his first Nokia and Sony Ericsson devices. Originally from Bulgaria and now based in Lima, Peru, Ilia balances his tech obsessions with walking his dog, training at the gym, and slowly mastering Spanish.
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