: 7 (often denoted as U7 or S7 in the build number)
: Typically Android 9.0 (Pie) for this binary level Chipset : Exynos 7570 Where to Download : 7 (often denoted as U7 or S7
The , an AT&T-exclusive model, requires specific firmware matching its Binary U7 security level for successful flashing. Flashing a lower binary version (e.g., U6 or U1) will result in a "Binary Check Fail" error in Odin. Firmware Specifications for SM-J337A U7 Model Name : Galaxy J3 2018 (Star) Model Number : SM-J337A Carrier : AT&T (USA) an AT&T-exclusive model