Samsung’s upcoming foldable devices have appeared in early software testing leaks, hinting that the company has already begun working on One UI 9. Firmware sightings linked to unreleased models suggest that development is progressing alongside preparations for next-generation foldables expected later this year.

One UI 9 testing spotted on upcoming foldables

Recent reports indicate that internal One UI 9 builds have been detected for multiple upcoming foldable smartphones, including the Galaxy Z Fold 8 and Galaxy Z Flip 8. Firmware versions such as F976USQU0AZB1 and F776USQU0AZB1 have surfaced through test servers, pointing toward early-stage software testing.

Another mysterious device carrying the model number SM-F971U has also been seen running similar firmware, suggesting Samsung may be working on an additional foldable model alongside its usual Fold and Flip lineup. Leakers claim that One UI 9 will be based on Android 17 and could debut directly on new foldable devices once they launch.

Reports also mention that testing has extended to current foldable hardware like the Galaxy Z Fold 7, indicating that Samsung is preparing the update for both new and existing devices simultaneously. This early testing phase highlights Samsung’s strategy to accelerate software readiness ahead of hardware launches.

Galaxy Z Fold 8, Z Flip 8: What to expect?

While details about the hardware remain limited, early rumors suggest that the Galaxy Z Fold 8 could feature a triple-camera system, including a 200-megapixel main sensor, a 50-megapixel ultrawide camera, and a 12-megapixel telephoto unit. The Galaxy Z Flip 8 is tipped to run on a next-generation chipset, possibly built on a 2nm process, though confirmation is still pending.

Samsung is also believed to be developing a wider foldable device internally codenamed H8, which may adopt a different form factor compared to existing models. The next foldable lineup is expected to arrive later this year, potentially making these devices the first to ship with One UI 9 out of the box, while the Galaxy S26 series may debut with One UI 8.5 before transitioning to the newer software.

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(source 1, 2)

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