Mifare - Classic Tool 2.3.1
MIFARE Classic Tool (MCT) version 2.3.1 is a legacy build of the popular open-source Android application used for low-level interaction with MIFARE Classic RFID tags. While the current stable version has advanced to 4.3.1 as of early 2026, version 2.3.1 remains a reference point for users of older hardware or those tracking the tool's development history. Core Functionality
crack or recover unknown keys. It is a management tool, not a penetration testing suite like Proxmark3. Hardware Compatibility : MCT only works on Android devices with an NXP NFC controller mifare classic tool 2.3.1
: It can read data from MIFARE Classic 1k, 2k, or 4k tags and write data to them, provided the user has the correct authentication keys (Key A and Key B) Key Management MIFARE Classic Tool (MCT) version 2
Version 2.3.1 vs. Newer Versions
You might ask: Why focus on 2.3.1 when the current version is 4.x? It is a management tool, not a penetration
Mifare Classic Tool 2.3.1 has a wide range of applications in various industries, including: