7 Byte UID Changeable 4K S70 Magic Mifare Card

Name: 7 Byte UID Changeable 4K S70 Magic Mifare Card
Brand: MTools Tec
SKU: MT-S70
Price: 4.79 USD
Availability: InStock
Rating: 5.00 (4 reviews)

Rated 5.00 out of 5 based on 3 customer ratings

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.

How to PN532 work on Bluetooth for Android and iOS

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	Yes

Specifications

UID Changeable	Yes (Backdoor Command)
Protocol	ISO14443A
UID Length	7 Bytes
Memory	4KB
Device Support	ACR122U, iCopy-XS, PN532, Proxmark3 X, Chameleon Ultra

Environmental Performance

Working Temperature	-20°C-70°C

Software

Android App	MTools BLE
iOS App	MTools BLE

Weight	0.1 kg
Backdoor Command	Yes
UID Changeable	Yes (Backdoor Command)
Working Temperature	-20°C-70°C
Protocol	ISO14443A
UID Length	7 Bytes
Memory	4KB
Device Support	ACR122U, iCopy-XS, PN532, Proxmark3 X, Chameleon Ultra
Android App	MTools BLE
iOS App	MTools BLE

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

5.0

Based on 4 reviews

5 star	100	100%
4 star		0%
3 star		0%
2 star		0%
1 star		0%

1-4 of 4 reviews

Maria Hernandez
Reviewer

March 6, 2023

Rated 5 out of 5
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)
Michael Johnson
Reviewer

February 22, 2023

Rated 5 out of 5
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)
John Doe
Reviewer

February 12, 2023

Rated 5 out of 5
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)
Jeshua C.
Store manager

December 2, 2022

Rated 5 out of 5
Verified review - view original
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

Command to Change UID

By All-in-one PN532 or PCR532

By Proxmark3 X or iCopy-XS

By ACR122U

Card Features

Specifications

Environmental Performance

Software

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

Q & A

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