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MediaTek Flash Tool

Library and command line tool for interacting with the MediaTek bootloader, for dumping and flashing firmware.

Dependencies

  • Argp (included with glibc and gnulib) or argp-standalone
  • libusb >= 1.0.16

Limitations

  • Only tested on MT6580, with Download Agent from SP Flash Tool
  • Only supports EMMC devices

Features

  • Supports auto-detecting device (requires hotplug capability in libusb)
  • Supports sending Download Agent to Preloader
  • Supports multiple dumping or flashing operations
  • Supports arbitrary address and length without scatter file
  • Supports rebooting the device after operations are completed
  • Enables USB 2.0 mode in Download Agent

Examples

Dumping the GPT, using the appropriate Download Agent from MTK_AllInOne_DA.bin.

flash_tool -d MTK_AllInOne_DA.bin -l 17408 -D GPT.bin

Assume the boot partition starts at 0x1d80000, with a length of 0x1000000.

Dumping the boot partition to boot.bak, flashing boot.img to the boot partition, and rebooting.

flash_tool -d MTK_AllInOne_DA.bin -R -a 0x1d80000 -l 0x1000000 -D boot.bak -F boot.img

Dumping the boot partition to boot.bak, patching it, flashing it back to the boot partition, and rebooting.

flash_tool -d MTK_AllInOne_DA.bin -a 0x1d80000 -l 0x1000000 -D boot.bak
./patch.sh boot.bak boot.img
flash_tool -2 -R -a 0x1d80000 -l 0x1000000 -F boot.img