Otp.bin: Seeprom.bin !exclusive!

It stores system-specific configuration data that does not change often but needs to be persistent, such as: Console Serial Numbers. MAC addresses for networking. Region locking configuration. Factory calibration data.

When you hack a Wii U, the first piece of advice you’ll hear is: These two files contain the unique cryptographic identity of your specific console. otp.bin seeprom.bin