Zonsin Changeable Tag Keyfob GEN2 CUID Android App MCT Modify UID NFC 1K S50 13.56MHz Card Block 0 Writable HF 14443A 10Pcs

10PCS CUID Gen2 Changeable Magic Card 13.56Mhz Clone Token NFC Smart Chip Tag RFID Rewritable Duplicator Copy ISO14443 Key

This card works the same as the normal IC cards, for 1K S50 standard. Only the Sector 0 Block Zero which is known as the Serial Number/Manufacturers Block(Chip CUID) could be programmed to any UID you want.

The product is as follows:

1,UID card block 0 (UID's block) can be modified arbitrarily.

2, card of the default password for 12 F,FFFFFFFFFFFF.

3,CUID Support phone NFC android App MCT modify UID.

The difference between UID card and CUID card.

UID card:

Ordinary copy card, you can repeatedly erase and write all sectors, it is mainly used in IC card copy, it will fail if it encounters a card reader with a firewall.

CUID card:

The rewritable anti-shielding card can repeatedly erase and write all sectors. It can be used when the UID card copy is invalid, and the firewall can be bypassed.

Note:Common 13.56mhz rfid reader writer cannot write the CUID cards!

NFC phone andriod App(MCT), acr122U,PM5/Pro,300CD,iCopy8, X100,Proxmark 3 support write CUID cards.