Samsung SM-T377A firmware for USA (AT&T) (ATT): 2 builds in the SamMobile archive, newest first. The latest is T377AUCU3BVG1 (Android 7.1.1, built 26 July 2022). 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.
