Latest Samsung Galaxy Amp Prime firmware
This page lists every official firmware Samsung has released for the Samsung Galaxy Amp Prime (model SM-J321AZ), newest first. The latest build is J321AZTUS4ARA1 for USA (Cricket) (AIO) (Android 6.0.1, built 11 January 2018). 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.