Latest Samsung Galaxy J2 Core (SM-J260A) - ATT firmware
Samsung Galaxy J2 Core (SM-J260A) firmware for USA (AT&T) (ATT): 1 build in the SamMobile archive, newest first. The latest is J260AUCSCBVA2 (Android 9, built 29 December 2021). Open a build to download it, or switch region with the country selector.