7 Byte UID Changeable 4K S70 Magic Mifare Card

4 reviews

$4.79

Mifare Classic S70 4K Card with 7 Byte Writable UID.

The RFID Readers supporting this Key Fob are PN532, ACR122U, iCopy-XS, and Proxmark3 X.

This is the UID changeable Mifare Classic 4K size magic card.

The UID can be modified ONLY with an external device (PN532, PCR532, ACR122U, Proxmark3 X, and iCopy-XS).

The UID cannot be changed with NFC on Android or iOS devices.

Command to Change UID

By All-in-one PN532 or PCR532

The latest features of the MTools Lite app support modifying the UID of the Gen3 7 Byte S70 4K card via Bluetooth PN532 Reader.

MTools Lite App can be downloaded from Play Store and App Store.

You can also DIY the custom PN532 Reader with BLE module. See the tutorial below to know how to make PN532 work with Bluetooth.

By Proxmark3 X or iCopy-XS

hf mf gen3uid --uid 11223344556677

By ACR122U

Windows Program Download Link: PCSC_Mifare_Secure.

Notice: Google Drive may recognize the PCSC Mifare Secure program as a virus cause it can detect the USB devices which it’s necessary to connect the reader. Absolutely it’s a clean and powerful program. Download the zip file with the browser on PC.

Card Features

Backdoor Command

Specifications

UID Changeable

Yes (Backdoor Command)

Protocol

ISO14443A

UID Length

Memory

Device Support

, , , ,

Environmental Performance

Working Temperature

-20°C-70°C

Software

Android App

iOS App

Weight 0.1 kg
Backdoor Command

UID Changeable

Yes (Backdoor Command)

Working Temperature

-20°C-70°C

Protocol

ISO14443A

UID Length

Memory

Device Support

, , , ,

Android App

iOS App

4 reviews for 7 Byte UID Changeable 4K S70 Magic Mifare Card

5.0
Based on 4 reviews
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4 star
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1-4 of 4 reviews
  1. Great product! The 4k size allows me to store all of my information and the UID change feature is very easy to use.

    (0) (0)
  2. I was skeptical at first, but this card really does work as advertised. The 4k size is great and the UID change feature is easy to use.

    (0) (0)
  3. The 4k size is perfect for holding all of my information. Being able to change the UID is a nice bonus. Overall, a great product.

    (0) (0)
  4. Verified reviewVerified review - view originalExternal link

    This 7 Byte UID S70 card works well with iCopy-X reader.

    (0) (0)
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7 Byte UID Changeable 4K S70 Magic Mifare Card