Unfixed-info.bin Jun 2026

You can dump these keys directly from legitimate Amiibo figures using NFC-enabled tools.

Together, these files allow software to calculate the correct HMAC (Hash-based Message Authentication Code) signatures. Without both files, software cannot validate the data dumps. How the File is Used in Emulation

: The standard software used to "burn" Amiibo data.

AMD Adrenalin has a unique update mechanism. When you install or update your graphics drivers, the software performs a multi-phase integrity check:

: In many modern applications, these two separate files are merged into a single file named key_retail.bin . Usage in Popular Software unfixed-info.bin

Nintendo uses standard embedded inside the base of every Amiibo figure. These chips have a fixed storage capacity of 540 bytes, divided into specific data sectors. To prevent counterfeiting and data tampering, Nintendo encrypts these sectors using a combination of static keys and dynamic signatures.

Understanding how unfixed-info.bin works, its role in the NFC backup ecosystem, and how to safely implement it provides a foundation for backing up physical gaming collections. The Cryptographic Architecture of Amiibo

Together, these two files allow third-party apps to verify that an Amiibo dump is legitimate and prepare it to be written onto a blank NTAG215 chip. Why Do You Need It?

Without it, your software cannot read the data from a character dump or write it correctly to a blank NFC tag. 🛠️ How to Use It (Step-by-Step) Most users need this file for apps like to create backup cards for games like Animal Crossing The Legend of Zelda How To Create Your Own Amiibo Card In 3 Simple Steps You can dump these keys directly from legitimate

: When writing to a blank NTAG215 tag, the app uses this key to re-encrypt the data so a Nintendo console will recognize it as an official product. How to Use unfixed-info.bin

Disclaimer: This guide is for educational purposes. If you are modifying system files, ensure you have a NAND backup.

: Contains writable information that changes depending on player interaction, such as the custom Amiibo nickname, the owner’s Mii data, game progress, and character statistics (e.g., training data in Super Smash Bros. ).

Sometimes the two files are joined together as key.bin using the command cat unfixed-info.bin locked-secret.bin > key.bin . How to Use unfixed-info.bin How the File is Used in Emulation :

Here's a step-by-step guide on how to load the unfixed-info.bin file into TagMo:

| Software/Context | Likelihood | Explanation | |----------------|------------|-------------| | | Low | Some builds of UE5 write temporary binary shader cache files with similar naming conventions during hot-reload failures. | | Malware Camouflage | Very Low | Some trojans use generic .bin names to hide. Virustotal analysis shows no known signature for this exact name. | | Corrupted Windows Update | Extremely Low | Windows uses *.etl , *.log , or *.bin in C:\Windows\Temp , but not this specific name. |

: Ensure the file is named exactly unfixed-info.bin . Some systems or downloads might accidentally rename it or add extra extensions.

Demystifying unfixed-info.bin : The Key to Amiibo Emulation and Custom NFC Tags

Is it true? Almost certainly not. But it’s a great story.

The term "unfixed" is engineering jargon, not a value judgment. It means: "Information that was detected during pre-installation checks but could not be automatically rectified without overwriting user preferences or risking instability."