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Gen3 7 Byte UID S70 4K Magic Key Fob

Rated 5.00 out of 5 based on 4 customer ratings

(4 Reviews)

Original price was: $5.99.Current price is: $4.79.

Mifare Classic S70 4K Key Fob with 7 Byte Writable UID.

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

Specifications

Protocol	ISO14443A
UID Length	7 Bytes
Memory	4KB
Device Support	ACR122U, iCopy-XS, PN532, Proxmark3 X, Chameleon Ultra, Proxmark3 RDV4

Software

Android App	MTools BLE
iOS App	MTools BLE

Weight	0.05 kg
UID Changeable	Yes (Backdoor Command)
Working Temperature	-20°C-70°C
Protocol	ISO14443A
UID Length	7 Bytes
Memory	4KB
Android App	MTools BLE
iOS App	MTools BLE
Device Support	ACR122U, iCopy-XS, PN532, Proxmark3 X, Chameleon Ultra, Proxmark3 RDV4

This is Gen3 7 Byte UID changeable Mifare Classic 4k size key fob.

The UID can be modified ONLY with an external device (PN532, PCR532, ACR122U, Proxmark3 RDV4, Proxmark3 X, and iCopy-XS).

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

Methods to Change the Gen3 UID

By All-in-one PN532 with Bluetooth

The latest features of the MTools BLE support modifying the UID of the Gen3 4 Byte and 7 Byte S70 4K, Gen3 4 Byte and 7 Byte S50 1K Tag via Bluetooth PN532 Reader.

MTools BLE 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 ChameleonUltra or ChameleonUltra SE

The UID Changer tools in MTools BLE App supports changing the UID of Gen3 7 Byte S70 4K card via Chameleon Ultra easily.

Note: The UID Changer is the paid features of MTools BLE App.

By Proxmark3 RDV4, 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.

4 reviews for Gen3 7 Byte UID S70 4K Magic Key Fob

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

PG
Verified owner

March 31, 2024

Rated 5 out of 5
Works on salto key fobs with a pn532.

(0) (0)
Samantha Johnson
Reviewer

March 7, 2023

Rated 5 out of 5
I have been using this key fob for a few weeks now and I am very happy with it. The gen3 chip is really fast and the acr122u works perfectly with it.

(0) (0)
Samantha Johnson
Reviewer

March 7, 2023

Rated 5 out of 5
I have been using this key fob for a few weeks now and I am very happy with it. The gen3 chip is really fast and the acr122u works perfectly with it.

(0) (0)
Simon
Verified owner

August 11, 2022

Rated 5 out of 5
Great support

(0) (0)

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Gen3 7 Byte UID S70 4K Magic Key Fob

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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.

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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.

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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.

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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.