Samsung GALAXY On5 2016 (SM-G5528) firmware for China (China Mobile) (CHM): 4 builds in the SamMobile archive, newest first. The latest is G5528ZMU1CRK1 (Android 8.1.0, built 13 November 2018). 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.