
Samsung Galaxy S4 Mini 16GB (U.S. Cellular) R890TYUBNK1 is an Android 4.4.2 (KitKat) firmware for United States (USC). It is the same firmware configured per region and carrier (CSC). Find your country below, verify the file and download for free. Compared with the previous build R890TYUBNE4 https://samfirm.shop/build/R890TYUBNE4, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SCH-R890 is available: R890TYUBPD2 https://samfirm.shop/build/R890TYUBPD2.
Bootloader binary U (30). Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.
Pick your region (CSC) to download the matching firmware package.