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Flipper Zero MFC 4K / 7B Gen1a detection

PN532Killer Magic Gen1a UID 11223344556677

Proxmark3 7-byte UID and Gen1a detection

Gen1a 7 Byte UID S70 4K Magic Key Fob

SKU: MT-KF-S70-4K-7B-G1A Categories: RFID Cards & Magic Tags, Key Fob
Brand: MTools Tec

Original price was: $9.99.Current price is: $7.99.

Gen1a MIFARE Classic S70 4K magic key fob with a rewritable 7-byte UID.

Flipper Zero supported: identify the Gen1a fob and change its UID using a compatible NFC Magic app. Also supports Proxmark3, iCopy-XS and compatible PN532 / PN532Killer tools. Use MTools BLE with compatible Bluetooth PN532 / PCR532 readers. Built-in phone NFC cannot rewrite this UID directly.

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Gen1a S70 4K Magic Key Fob

A compact MIFARE Classic S70 4K-size magic key fob with a rewritable 7-byte UID. Supports UID changes using Flipper Zero with MTools for Flipper Zero, or a supported external RFID reader.

7-byte rewritable UID
S70 4K memory format
Gen1a magic functionality
Flipper Zero and external reader support

Flipper Zero support — change the UID

Use Flipper Zero with MTools for Flipper Zero to identify this Gen1a key fob and rewrite its 7-byte UID.

The supplied screenshot shows MFC 4K / 7B and MFC GEN1A – UID in Magic Check. This demonstrates Gen1a recognition; the screen itself is not a completed-write confirmation.

After writing a new UID, read the key fob again to verify the saved value. App menus and support can vary with the installed firmware and MTools for Flipper Zero version.

Proxmark3 & iCopy-XS

Use Proxmark3 RDV4, Proxmark3 X or iCopy-XS to work with the Gen1a S70 4K key fob and change its 7-byte UID.

Example Proxmark3 UID command:

hf mf csetuid --uid 11223344556677

Read the key fob again after writing to verify the new UID. Click the screenshot to inspect the Proxmark3 output.

PN532 / PN532Killer

Use compatible PN532 tools or PN532Killer to identify and work with this Gen1a key fob.

The supplied PN532 CLI screenshot shows a PN532Killer connection, UID 11223344556677, Magic Gen1a detection and the Gen1a wake-up capability.

MTools BLE (previously named MTools Lite) supports UID changes through compatible Bluetooth PN532 readers. Select the software and connection supported by your reader.

Supported tools

Flipper Zero with MTools for Flipper Zero; Proxmark3 RDV4 / Proxmark3 X; iCopy-XS; PN532 / PN532Killer with compatible software; and compatible Bluetooth PN532 / PCR532 readers with MTools BLE.

Built-in Android or iOS NFC cannot directly rewrite this Gen1a UID.

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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.