
Samsung Galaxy S Ⅲ I9300UBDLJ1 is an Android 4.3 (Jelly) firmware for Ecuador (ALE). 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 GT-I9300 is available: I9300XXEMU8 https://samfirm.shop/build/I9300XXEMU8.
Bootloader binary B (11). Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.
Pick your region (CSC) to download the matching firmware package.