This page lists every official firmware Samsung has released for the Samsung Galaxy J3 (model SM-J327R7), newest first. The latest build is J327R7WWS5BTG1 for Nextech / C-Spire (ACG) (Android 8.1.0, built 24 July 2020). 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.