Samsung Galaxy A21 (SM-A215U1) firmware for Unknown (GCF): 2 builds in the SamMobile archive, newest first. The latest is A215U1UEU2ATL1 (Android 10, built 7 December 2020). 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.
