Z3X Samsung BOX Update. Samsung Tool 43.0 July 16, 2021 by Afzaal Ahmad Z3X Samsung BOX Update. Samsung Tool 43.0 Samsung Tool 43.0. Patch CERT for most Exynos based devices. Added repair and patch CERT for most Exynos based devices, support all new Bit and FW, exclusive. Root required. Might Also Like UMT Pro QcFire v7.0 UMTPro Ultimate MTK v4.4 Download Link Related posts:Asus Zenfone Flash Tool (all versions)MTK Preloader eMMC v2.0Manufacturing Flash Tool (all versions)EMMC Block Read Write V2.0