Open Setting.set or Parameter.ini . Change these lines to prevent partial bricks:
: Recent stable versions found on community repositories like MyDigit.cn (optimizes for Intel N18/B27 flash). (recommended for BiCS3 and BiCS4 flash variants).
: You will likely need to short two specific pads on the PCB to put the controller into "ROM Mode" so the firmware can be rewritten. NAND flash ID to narrow down the specific tool version you need?