Psa+interface+checker+440+2021 //free\\ Site

Click the "Activate" button to link the tool to the connected VCI.

The "4.4.0" version released around 2021 was specifically tailored to handle newer firmware updates required for Diagbox versions 9.xx and above. 🔍 Key Features and Functions psa+interface+checker+440+2021

The 4.4.0 Interface Checker allows you to safely flash the firmware, which is necessary for stable communication with newer PSA models. 📝 How to Use PSA Interface Checker Click the "Activate" button to link the tool

Displays the serial number and reference (9780.Z5) to confirm if the device is recognized as a genuine or high-quality clone. ⚡ Why Use the 2021 Update? 📝 How to Use PSA Interface Checker Displays

Plug your Lexia 3 interface into your PC via USB (no need to connect to the car yet). Run as Admin: Open the psa_checker.exe as an administrator.

Instantly detects the current firmware version (e.g., 4.3.0, 4.3.7) of your Lexia 3 interface.

Allows users to manually upgrade or downgrade the firmware to match specific Diagbox software requirements.