Samsung GALAXY ACE4 LTE (SM-G313MU) firmware for Brazil (Oi) (ZTR): 3 builds in the SamMobile archive, newest first. The latest is G313MUUBU0AOG1 (Android 4.4.2, built 15 July 2015). Open a build to download it, or switch region with the country selector.
We recommend using Samsung’s own utilities, Samsung Smart Switch and OTA (Over-the-air), to upgrade devices. Use SamMobile only if you are 100% sure about the risks involved in flashing
your device. SamMobile is not responsible for any damage caused by using the files on this website.