Latest Samsung Galaxy J7 Perx / Galaxy J727 (SM-J727A) - ATT firmware
Samsung Galaxy J7 Perx / Galaxy J727 (SM-J727A) firmware for USA (AT&T) (ATT): 1 build in the SamMobile archive, newest first. The latest is J727AUCS8BTH1 (Android 8.1.0, built 21 August 2020). Open a build to download it, or switch region with the country selector.