These are cheap, blank NFC stickers or cards. You use an Android or iOS app (like TagMo or Amiiboss) to write the bin file onto the tag. Once written, the Switch treats it exactly like a real Amiibo. 2. Emulation Hardware
You can re-write physical NFC tags infinitely. If you only have three tags, you can rotate between all existing Amiibo by erasing and rewriting the bin files. However, Super Mario Odyssey does not require a "write-once" lock; you can scan the same rewritten tag daily. Super Mario Odyssey Amiibo Bin Files
If you use a bin file that is "read-only" (like a downloaded file without writable sectors), Odyssey may freeze or throw an error because it cannot write the timestamp. High-quality bin dumps include the full 540-byte user-data area initialized to zeros. These are cheap, blank NFC stickers or cards
Nintendo never intended for users to share these files. However, due to the nature of data extraction, any Amiibo owner with an NFC-capable Android phone can dump their physical figure to a .bin file. Once dumped, that file can be: However, Super Mario Odyssey does not require a