Once the check is disabled, the MCT tool uploads its own unsigned DA (which contains full read/write/erase commands for eMMC/UFS).
If you’ve been struggling with and DAA (Download Agent Authentication) on modern MTK chips (Helio G series, Dimensity 6000/7000+), previous methods just stopped working. Until now. MCT MTK Auth Bypass Rev 4
To understand the significance of Rev 4, we first need to understand the problem it solves. Once the check is disabled, the MCT tool