This page lists every official firmware Samsung has released for the Samsung Galaxy Tab Active5 5G (model SM-X308U), newest first. The latest build is X308UUESDDZG3 for USA (T-Mobile) (TMB) (Android 16, built 15 July 2026). Pick your country or carrier to see the builds for your region, then open a firmware to download it for free or at full speed with a Premium account.
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.
