Samsung Galaxy Beam 2 (SM-G3858) firmware for China (China Mobile) (CHM): 4 builds in the SamMobile archive, newest first. The latest is G3858ZMUANI1 (Android 4.2.2, built 18 September 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.