Samsung Galaxy A03s (SM-A037U1) firmware for Unknown (BAA): 1 build in the SamMobile archive, newest first. The latest is A037U1UESBDYI1 (Android 13, built 16 September 2025). 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.
