Samsung Galaxy S26 Ultra (SCG37) firmware for Japan (AU KDDI) (KDI): 1 build in the SamMobile archive, newest first. The latest is SCG37KDS1AZF2 (Android 16, built 11 June 2026). Open a build to download it, or switch region with the country selector.
We recommend using Samsung’s own utilities, Samsung Smart Switch and OTA (Over-the-air), to upgrade devices. Use SamMobile only if you are 100% sure about the risks involved in flashing
your device. SamMobile is not responsible for any damage caused by using the files on this website.
