The ordinary Mifare Classic S70 4K Card has 2 series which have different UID counts, one has 4 bytes UID and another one has 7 bytes UID. The 4 bytes UID has 8 characters while the 7 bytes UID has 16 characters. The UID of the ordinary Mifare Classic S70 Chip is not changeable. In order to fully clone the Mifare Classic S70 4K card, the Magic Mifare S70 4K Card is necessary.
Proxmark3 X is full-support on 13.56MHz Magic Mifare S70 Tag and is super easy to change the UID by a simple command.
Where to Buy UID Changeable Mifare S70 4K Card
- Buy 7-byte UID Mifare S70 4K Card
- Buy 7-byte UID Mifare S70 4K Key Fob
- Buy 4-byte UID Mifare S70 4K Card
- Buy 4-byte UID Mifare S70 4K Key Fob
Execute Command in Terminal
Proxmark3 X has Type-C and Micro-USB sockets for connection for Windows, Linux, and macOS. Switch to default mode 0 and connect to the host. Now open the terminal or GUI program of Proxmark3 Platform.
How to Read the UID of Mifare S70 4K Tag
hf 14a reader
How to Set the UID of Mifare S70 4K Tag
//Set uid for 4-byte UID Magic Mifare S70
hf mf gen3uid --uid 11223344
//Set uid for 7-byte UID Magic Mifare s70 hf mf gen3uid --uid 11223344556677
Execute Command in RFID Tools App
Proxmark3 X can work with the RFID Tools app via Bluetooth or USB connection. After a successful connection, you can run the commands above just as a terminal on Windows, macOS, or Linux.