(by bkerler on GitHub) is currently the most powerful free tool. It bypasses SLA/DAA security and allows direct BROM access.

Reviving a bricked MediaTek device requires specific PC utilities that can interact directly with the processor's low-level . This mode is hardcoded into the CPU silicon and remains accessible even if the preloader partition is erased. SP Flash Tool (Smartphone Flash Tool)

: Proper MediaTek USB VCOM drivers must be installed on the PC for the hardware to be detected.

If the tool does not detect the phone:

python mtk.py w preloader preloader.bin