If you used an auth bypass tool, SP Flash Tool will immediately take over the connection and begin flashing.
: A professional service tool that has recently added "Preloader Mode" support for newer Vivo, Tecno, and Samsung MTK models, allowing for FRP removal and factory resets without using test points. General Repair Workflow
python mtk.py preloader --preloader=preloader.bin
If the device has a wrong DRAM configuration (e.g., after a bad flash), the Preloader cannot execute. A fixed tool can load an that bypasses the broken internal Preloader and initializes DRAM manually. mtk preloader repair tool fixed
With MTKClient running and the device connected in BROM mode, you can begin the repair procedure. The basic command structure for flashing the preloader is python mtk.py w [partition_name] [preloader_image.bin] . For example, to flash a preloader image to a Tecno device, you would run: python mtk.py w preloader preloader_bf7_h6127.bin --parttype boot1 --preloader=preloader_bf7_h6127.bin . Tools like MTKClient have extensive loader libraries, automatically selecting compatible loaders for various chipsets.
Uncheck all boxes in the partition list except for the row.
Proceed cautiously and use official or widely trusted resources for firmware and DAs. Low-level preloader and boot partition modifications are powerful but risky — when in doubt, use professional repair services. If you used an auth bypass tool, SP
A successful flash operation will display the device's chip information and confirm the write operation. After a successful flash, the device can be disconnected and should now boot normally.
A new dedicated tool was launched in early 2025 specifically for MTK UFS Boot Repair . It allows for flashing, boot repair, and secure boot bypass on devices using UFS storage, which previously had limited support compared to older eMMC devices.
Corrupted partition maps cause S_DL_PMT_ERR_NO_SPACE (1041) . A fixed repair tool can the flash and rebuild the PMT from a scatter file. A fixed tool can load an that bypasses
Click the green button at the top of the interface. Step 5: Connect and Monitor the Flash
Often requires a separate MTK Auth Bypass tool to work on modern chipsets. 2. MTK Client (Open-Source)