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4-Byte UID Changeable Mini Card (MIFARE® Compatible)

SKU: MT-MF-MINI-4B Categories: White Card, RFID Cards & Smart Tags (MIFARE® Compatible)
Brand: MTools Tec

Original price was: $19.99.Current price is: $5.99.

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This is the UID changeable Magic Card with Mifare S20 Classic Mini Protocol.

The UID can be modified with APDU command with the external NFC Readers, such as PN532, PN532Killer, ACR122U, Proxmark3 RDV4, Proxmark3 X, and iCopy-XS.

PCSC Mifare Program for ACR122U

Commands for Proxmark3 X & iCopy-XS

Trademark notice: MIFARE®, MIFARE Classic®, MIFARE Ultralight®, and MIFARE DESFire® are registered trademarks of NXP B.V. This compatible product is not manufactured, sponsored, endorsed, or authorized by NXP B.V. Trademark references are used solely to identify product compatibility.

Weight	0.1 kg

Specifications

Working Frequency	13.56MHz
UID Changeable	Yes (Backdoor Command)
Protocol	ISO14443A
UID Length	4 Bytes

Environmental Performance

Working Temperature	-20°C-70°C

Weight	0.1 kg
Working Frequency	13.56MHz
UID Changeable	Yes (Backdoor Command)
Working Temperature	-20°C-70°C
Protocol	ISO14443A
UID Length	4 Bytes

Q & A

Ask a question

are all blocks from all sectors writable ? john asked on October 18, 2022

Yes, of course.
And it's the magic card with a backdoor command. It can be fixed when become a dead sector.

admin answered on October 20, 2022 store manager

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How to deliver the virtual products?

The virtual products are delivered by email in time when order with only virtual products.

What are the shipping options MTools Tec offers?

We offer both standard and expedited shipping options for our customers. The delivery times may vary depending on the shipping address.

Can I track my shipment?

Yes, once your order has been dispatched, we will send you a shipping confirmation email with your tracking number. You can use this number to track your shipment’s progress.

How long does it take to deliver my order?

The delivery time varies depending on your location and the chosen shipping option. Typically, it takes about 5-10 business days for standard shipping and 2-5 business days for expedited shipping.

Are there any shipping restrictions?

Shipping is usually available to all parts of the world. However, restrictions may apply to certain countries or regions due to international laws or shipping carrier limitations.

What should I do if I haven’t received my shipment yet?

If you haven’t received your order within the expected delivery timeframe, please contact our customer support team. We will help to track your shipment and provide updates.

What if my order arrives damaged?

If your order arrives damaged, please contact our customer support immediately. We will initiate the return process and take necessary steps to rectify the situation.

Can I change the shipping address after my order has been placed?

Depending on the status of your order, it may be possible to change the shipping address before the package dispatched oversea. Please contact our customer support as soon as possible to request changes.