This is the UID changeable Mifare Ultralight Key Fob.
The UID can be modified ONLY with an external device (ACR122U, Proxmark3 RDV4, Proxmark3 X, or iCopy-XS).
The UID cannot be changed with NFC on Android or iOS devices.
Windows Program Download Link: PCSC_Mifare_Secure.
Notice: Google Drive may recognize the PCSC Mifare Secure program as a virus cause it can detect the USB devices which it’s necessary to connect the reader. Absolutely it’s a clean and powerful program. Download the zip file with the browser on PC.
Change UID with Proxmark3 X and iCopy-XS
Command hf mfu setuid --uid xxxxxxxxxxxxxx
I was skeptical about the pm3 easy software being easy to use, but it was actually very user friendly. The 7 byte UID is great for my needs and the key fob is very light. Overall, I’m very happy with my purchase.
This key fob is exactly what I was looking for. The 7 byte UID is perfect and it’s easy to change. The pm3 easy software makes programming a breeze. The fob is also very light which is nice.