Samsung GALAXY ACE style (SM-G310HN) firmware for United Kingdom (O2) (O2U): 2 builds in the SamMobile archive, newest first. The latest is G310HNXXU0ANJ1 (Android 4.4.2, built 8 October 2014). 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.
