Samsung W2015 (SM-W2015) firmware for China (China Telecom) (CTC): 5 builds in the SamMobile archive, newest first. The latest is W2015KES1AQA2 (Android 4.4.4, built 18 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.
