A Wii U with homebrew access (e.g., Tiramisu or Aroma).
: Included in many custom firmware environments (like Tiramisu or Aroma), this tool allows you to select "Dump OTP" and "Dump SEEPROM" from the boot menu. hexFW / isfshax : For advanced users or developers, custom firmware like can be used to extract these boot-level files. File Requirements otp.bin seeprom.bin
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