Samsung has begun rolling out the official Wear OS 7-based One UI 9 Watch update for Galaxy Watch8 in South Korea. The update file is approximately 2 GB, and the South Korean version is L320XXU2BZJ7, including the 5 October 2026 security patch. The rollout timing for Japan has not yet been announced.
Samsung has begun rolling out the official Wear OS 7-based One UI 9 Watch update for Galaxy Watch8. South Korea is the initial rollout region, and the update for the device is reported to be approximately 2 GB.
The version released in South Korea is L320XXU2BZJ7, and includes the security patch dated 5 October 2026. The specific rollout timing for Japan has not yet been announced.
Galaxy Watch4 is reportedly excluded from the One UI 9 Watch rollout, with Galaxy Watch5 and later models expected to be eligible. It was also reported that the beta version had been tested since late August.
The update is expected to roll out in stages to other Galaxy Watch generations in addition to Galaxy Watch8, while Google continues to promote the adoption of Wear OS 7. Further information is expected once the official rollout in Japan is confirmed.