Chameleon Ultra Devices

Android & iOS Apps

App Store Play Store
App Store Play Store

Windows & MacOS Program

Chameleon Ultra GUI

  • USB Connection
  • Nested Attack for key recovery
  • Magic card writing
Download for MacOS Download for Windows

Official Python CLI

Python-based CLI

  • RFID knowledge for starter
  • Nested attack for Mifare Classic
  • lf em410 tag reader and writer
  • hf 14a raw supported
Download on Github

Chameleon Ultra Posts

How to use mfkey32 on ChameleonUltra devices

What’s mfkey32?MFKey32 is a technique used against Mifare Classic cards to retrieve sector data without [...]

2 Comments

Chameleon & MTools BLE Review by RED TEAM

In the Christmas of 2023, the new version of MTools BLE released with the Magic [...]

Unleashing the Power of Chameleon Ultra through MTools BLE App

A new wave of tech innovation was ushered in with the introduction of the Chameleon [...]

2 Comments

What’re the Differences Between Chameleon Ultra & Chamele0n Ultra

Brand Owner The ChameleonUltra Repository was open-sourced by RRG – RFID Research Group. And they [...]

Chameleon Ultra CLI Tutorial by Iceman

Here’s a latest video made by Iceman to show how to download, compile and run [...]

Trouble Shooting

Yes. But when T5577 was not be written with ID information, the tag cannot be detected by Chameleon Ultra. 

After that you can write ID to T5577 with Chameleon Ultra on MTools BLE App or CLI tool.

If you’re on black version of RRG Chameleon Ultra, there exists LF antenna issues. You only need to replace the bottom board with the seller.

Yes, you can use the Mifare Classic Dump Tool in MTools BLE to read the Mifare Classic card.