Samsung Galaxy J3 Top J337AZTUSDAVK1 is an Android 8.0.0 (Oreo) firmware for United States (AIO). 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 J337AZTUSBATH1: Android updated from Android 8.0.0 to Android 8.0.0 (Oreo); bootloader binary raised from B (11) to D (13), so after installing it there is no way back to older builds. This is the newest build for SM-J337AZ.
Bootloader binary D (13). Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.
Pick your region (CSC) to download the matching firmware package.