Z3x: Samsung Tool 19.1

Later versions (Pro series) extend this to the latest flagships and A-series devices , including those powered by Exynos 1480 and 990. How to Use Z3X Samsung Tool for Flashing

Extensive model lists covering older GT and SGH series (e.g., GT-I9000, SGH-A707).

Restore original IMEI and serial numbers following software corruption or hardware swaps.