50pcs 13.56MHz Rewriteable 0 Block UID Tag RFID UID Keyfobs Rewrite Copier Writer Duplicator Copy IC Card

UID Changeable 1k 13.56mhz Key

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

Note: Android MCT or any phone won't work with UID

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

2, block 0 directly with normal mif read-write device modification.

3, card of the default password for 12 F,FFFFFFFFFFFF