100pcs UID Fob 13.56MHz Block 0 Sector Writable IC Card Clone Changeable Smart Keyfobs Key Tags Card 1K S50 RFID Access Control

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 won’t work with UID, any phone won’t work with this UID key.

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