4 Byte UID S70 4K Magic Key Fob

$4.79

Mifare Classic S70 4K Key Fob with 4 Byte Writable UID. The RFID Readers that support on this Key Fob: ACR122U, iCopy-X and Proxmark3 X.

4 Byte UID S70 4K Magic Key Fob

$4.79

This is the UID changeable Mifare Classic 4k size key fob.

The UID can be modified ONLY with an external device (ACR122U, Proxmark3 X and iCopy-X devices).

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.

Command to Change UID

By Proxmark3 X or iCopy-XS

hf mf gen3uid --uid 11223344556677

Specifications

Protocol

ISO14443A

Basic Attributes

UID Length

UID Changeable

Yes (Backdoor Command)

Working Temperature

-20°C-70°C

Protocol

ISO14443A

UID Length

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