Latest Samsung Galaxy A6 (SM-A600A) - ATT firmware
Samsung Galaxy A6 (SM-A600A) firmware for USA (AT&T) (ATT): 1 build in the SamMobile archive, newest first. The latest is A600AUCSDCVC1 (Android 10, built 8 March 2022). Open a build to download it, or switch region with the country selector.