Samsung GALAXY S4 (SCH-R970) firmware for USA (US Cellular) (USC): 11 builds in the SamMobile archive, newest first. The latest is R970TYUGPD5 (Android 5.0.1, built 26 April 2016). 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.