Unfixed-info.bin Jun 2026

unfixed-info.bin is the "skeleton key" for the modifiable portion of an Amiibo's memory. Whether you are looking to preserve your collection from wear and tear or simply curious about how NFC tech works, this file is the essential bridge between raw data and a functional game piece.

: Start by dumping everything you know about the file—headers, hex data, observed behaviors—without worrying about grammar.

Let's put this to rest immediately: Here is the evidence:

If your 3DS is failing to boot or System Settings is crashing, checking the integrity of this file is a standard troubleshooting step. Because the file is not "fixed" (meaning it can be modified or updated separately from the core OS), it can sometimes become corrupted during a bad transfer or a sudden power loss while saving.

Apps like TagMo or Amiiboss require these keys to write data onto blank NTAG215 cards or stickers.

C:\Program Files\AMD\CIM\ or C:\AMD\