A small firmware which boots off a FAT32-formatted SD card and totally blanks the kernel, filesystem and user portions of the NAND fixing 'bad block syndrome' often caused by 3.0->2.0 downgrades (though it can happen simply by writing to the NAND often enough).
It leaves the bootloader in tact.
Full instructions in README.TXT
It leaves the bootloader in tact.
Full instructions in README.TXT
