Sell RFID CUID UID GEN2 CARD Modify UID Changeable NFC MF 1k s50 card Block 0 13.56MHz Tag Access Card Support Android MCT best price

STOP!! PLEASE ENSURE YOUR DEVICE CAN SUPPORT CUID BEFORE YOU BUY. Require special writer such as ACR122U, iCopy3/5, Proxmark 3, PM3/5. The product is as follows: 1. UID card block 0 (UID's block) can be changed arbitrarily. 2. card of the default password for 12 F, FFFFFFFFFFFF. 3. support android phone NFC change UID. Type of Card: 1. M1 card: Ordinary IC card, sector 0 cannot be modified, other sectors can be erased and written repeatedly, 2. UID card: Ordinary copy card, can repeatedly erase and write all sectors, and it will all fail when encountering firewall; 3. CUID card: Upgraded copy card, the system that shields the UID copy card can use CUID instead of UID, with a passing rate of 70%. All sectors can be repeatedly erased; 4. FUID: Advanced copy card, used when CUID copy is useless, 0 sector can only write one times, write once to become M1 card, 100% copy is successful, after writing, you can repeatedly erase and write except 0 sectors 5. UFUID card: Advanced copy card, we understand it as a composite card of UID and FUID, it needs card locking operation, after locking the card, it becomes an M1 card, and the unlocked card is a UID card. Package Contents: 1 * CUID changeable card for s50 1K