Modern MTK devices (especially those with Secure Boot enabled on Android 7+) will automatically disconnect the Preloader after 5-10 seconds. Repair tools use "Auth Bypass" or "SLAA" (Service Layer Authentication Bypass) tricks to keep the connection alive long enough to send data.
MediaTek (MTK) preloader repair tools are specialized utilities used to fix "bricked" devices by restoring the crucial firmware . The preloader is the very first piece of software that runs on a MediaTek SoC to initialize hardware and bridge the gap to the main bootloader. 🛠️ Key Features of MTK Repair Tools