Wii FlashToolz is a Windows program that reads/writes boot blocks and BootMii keys from a Wii backup (NAND.bin).This program is currently able to detect boot1 and boot2versions, boot2 BootMii compatibility, Bad blocks, HMAC-key, and nand-key.
Compatible Input File Types
Boomii backup (nand.bin)
Raw NAND dump (.bin extension only)
Boot Blocks (blocks 0 - 7)
Bootmii keys (keys.bin)
Functions
Read/detect input file type (Full NAND, NAND + Keys, Boot Blocks)
Compare Files - This function compares the source NAND to a second file.
Compare Boot - Function under construction ATM.
Detect Boot Versions - The Boot1 and Boot2 Versions are automatically detected when the source file is loaded.
Read Bad Blocks - The blocks listed are factory bad blocks on the NAND.
Read Keys - If keys are attached to source file, hmac & nand keys will populate.
Extract Boot Blocks - Extracts blocks 0-7 and saves them to a specified file on your computer.
Install Boot Blocks - Installs blocks 0-7 to the loaded source file.
Append Keys - Adds bootmii keys to end of source file.
Extract Keys - Extracts keys from source file and saves them to a specified file on your computer.
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Source
. Is this software supposedly able to fix Bad Blocks?
Everything for Wii · Wii U · Switch