Samsung is now pushing a new January firmware update for the Galaxy Fit 3 in South Korea. The update carries firmware versions R390XXU0AZA3 and has a relatively small download size of 17.42MB. The update focuses primarily on improving system stability and overall reliability, ensuring a smoother experience on the fitness band. It will not provide any new features, but aims to improve overall performance.
According to the shared image, the new firmware applies stabilization-related code to improve the band’s operational quality, particularly during daily usage and motion-related activities. Samsung notes that the exact content of the update may vary depending on the model, country, carrier, and user environment, which is standard for wearable updates. It is better to see after a long time, the company has provided a new firmware version for the smart band.
| Feature | Details |
| Firmware Version | R390XXU0AZA3 |
| Update Size | ~17.42 MB |
| Security Level | January 1, 2026 |
| OS Version | – |
| Region | South Korea (Expanding globally soon) |
The Galaxy Fit 3 was launched in February 2024 with plenty of new features. After two years, there is still no news about the upcoming Galaxy Fit 4 tracker. As for the Galaxy Fit 3, the January update is currently rolling out gradually in Korea, with availability expected to expand to more regions in the coming weeks. The users can check for the update through the Galaxy Wearable app and install it once it becomes available on their device.