
Samsung Galaxy S4 Active (AT&T) I537UBUAMG2 is an Android firmware for Mexico (TCE). It is the same firmware configured per region and carrier (CSC). Find your country below, verify the file and download for free. A newer build for SGH-I537 is available: I537UBUCOE1 https://samfirm.shop/build/I537UBUCOE1.
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.