Once detected, it automatically begins the "Download Recovery Tool Kit" phase . :
Unlike standard flashing tools that require the phone to be partially booted (like Fastboot mode), recovery utilities often work when the OS is completely corrupted. They communicate directly with the processor’s bootloader protocols to push a recovery image (usually recovery.img ) onto the device's internal storage. sp recovery tool utility
Have you ever plugged in your USB drive only for your computer to act like nothing happened? Or worse, has your Android phone become a "brick"—frozen on a boot screen and refusing to budge? sp recovery tool utility