A corrupted or missing preloader is one of the most critical software failures on MediaTek (MTK) devices. When the preloader fails, your phone or tablet loses its primary boot instructions. The device becomes completely unresponsive, failing to turn on, charge, or enter recovery mode. This state is known as a "hard brick."
Let’s use the most accessible free method: .
python mtk.py payload --preloader=preloader.bin mtk preloader repair tool
The firmware or preloader file you are trying to flash does not match the physical hardware ID of the chip inside your phone.
Comprehensive Guide to MTK Preloader Repair Tools: Fixing Bricked MediaTek Devices A corrupted or missing preloader is one of
By flashing a complete stock ROM, it overwrites the corrupted preloader partition with a working one. 3. Chimera Tool (Professional Service Tool)
python mtk.py r preloader preloader_readback.bin This state is known as a "hard brick
: You must have the specific "Scatter file" and preloader.bin for your exact device model and region.
For newer MTK chipsets, ensure the tool is using the correct loader ( --loader option in MTKClient).
Bypasses bootloader restrictions, reads partition tables, and allows raw extraction and flashing of single partition images.
bkerler/mtkclient: Mediatek Flash and Repair Utility - GitHub