MTK META Utility V43 is a free Windows tool designed to bypass Secure Boot (DA/Auth) protocols, enabling flashing, repair, and security operations on MediaTek (MTK) and Spreadtrum (SPD) devices. The latest version introduces enhanced stability, broader chipset support for newer Dimensity/Helio processors, and specialized functions for VIVO, OPPO, and Samsung models. For more details, search for the official release notes of the MTK META Utility V43.