Samsung GALAXY CORE2 (SM-G355M) firmware for South America (Open Line) (NBS): 3 builds in the SamMobile archive, newest first. The latest is G355MUBS0AQA2 (Android 4.4.2, built 4 January 2017). 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.