Latest Samsung Galaxy J3 Top (SM-J337U) - XAR firmware
Samsung Galaxy J3 Top (SM-J337U) firmware for Cellular south (XAR): 1 build in the SamMobile archive, newest first. The latest is J337UUES9BUK1 (Android 9, built 1 November 2021). Open a build to download it, or switch region with the country selector.