This coin's UID can be changed using the Android app "Mifare Classic Tools" (MCT). With this you can clone your existing "Mifare Classic 1k" cards with 4-Byte UIDs
Product information
– Rewritable memory
– Chip: CUID (compatible to Mifare Classic 1k)
– Block 0 and UID can be directly written to
– 1024 byte memory
– Diameter: 25mm
– Coil diameter: 21mm
– Thickness: 0.8mm
– Material: PVC
– Color: white
– Frequency: 13.56 MHz
– Compatible with Android and iOS
