Unfixed-info.bin !!better!! Jun 2026

To clarify its specific function, it's best to understand it in relation to its counterpart, locked-secret.bin :

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In simple terms, unfixed-info.bin is a small, binary ( .bin ) data file that contains an used in the encryption and decryption of Amiibo data. It is part of a set of essential cryptographic keys that allow third-party applications to read, write, and generate the data associated with these interactive NFC figures and cards. unfixed-info.bin

Nintendo Amiibos use encrypted NFC data. To interact with this data using third-party software, the app must "unlock" the files using specific retail keys. While the software itself is legal, these proprietary key files are copyrighted by Nintendo and are therefore not bundled with the apps. It is almost always used alongside another file called locked-secret.bin Alternative Names:

Apps like TagMo or Amiiboss require these keys to write data onto blank NTAG215 cards or stickers. To clarify its specific function, it's best to

The primary reason enthusiasts look for unfixed-info.bin is to create custom backup cards or tokens, which function identically to retail Amiibo figures.

It works alongside locked-secret.bin , which handles the "locked" data (UID, Amiibo type). Why Do You Need It? Nintendo Amiibos use encrypted NFC data

Again, the file is a symptom of the update process, not a disease.

This tool, used for editing Amiibo data for Super Smash Bros. Ultimate , supports using unfixed-info.bin and locked-secret.bin for encryption and decryption operations. You can place these key files in the resources folder of the application.