If you are attempting to root a MediaTek-based Android device and encountered the error you are likely dealing with a compatibility wall between the exploit and your current firmware security.
If using a terminal, re-issue the command chmod 755 mtk-su followed by ./mtk-su . mtksu failed critical init step 3 hot
The error meant the board refused to enable certain regulators. Without those rails, the GPU cluster would remain throttled. Worst case: a silent thermal fault could burn a VRM if brought online incorrectly. If you are attempting to root a MediaTek-based