Samsung Galaxy Watch 4 Misses One UI 9 Watch Update
Galaxy Watch 5 and later models will receive One UI 9 Watch by the end of 2026, bringing AI assistant wrist-raise and Heart Health Score.
Samsung's Galaxy Watch 4 and Galaxy Watch 4 Classic will not receive the One UI 9 Watch update, according to Engadget. The exclusion also applies to limited editions including the Galaxy Watch 4 Golf Edition and the Galaxy Watch 4 Classic Thom Browne Edition.
The Galaxy Watch 5, Galaxy Watch 5 Pro and later models are set to receive One UI 9 Watch by the end of 2026. The update introduces a refined visual interface, wrist-raise activation of an AI assistant, Daily Cardio Load and a Heart Health Score.
The Galaxy Watch 4 lineup has already received four major OS upgrades, ending with One UI 8 Watch. The Watch 4 was released in 2021 and marked Samsung's transition from Tizen OS to a custom-skinned Wear OS.
Newer watches on a longer cycle
In August 2026, Samsung released the Galaxy Watch 9 and Galaxy Watch Ultra 2 with One UI 9 Watch. The company increased software support for those models to five major OS upgrades, while predecessors receive four.
In late October 2026, the sixth One UI 9 Watch beta update launched for Galaxy Watch 8 and Galaxy Watch 8 Classic owners in South Korea.
Quick answers
Will the Galaxy Watch 4 get One UI 9 Watch?
No. Samsung has confirmed that the Galaxy Watch 4 and Galaxy Watch 4 Classic, including limited editions, will not receive the One UI 9 Watch update.
Which Samsung watches will receive One UI 9 Watch?
The Galaxy Watch 5, Galaxy Watch 5 Pro and later models will receive One UI 9 Watch by the end of 2026.
What features does One UI 9 Watch add?
One UI 9 Watch adds a refined visual interface, wrist-raise activation of an AI assistant, Daily Cardio Load and a Heart Health Score.