Disclaimer: Flashing firmware carries risks. Always back up your data and ensure proper power supply during the update process.
Your Lexia/Diagbox interface requires a specific firmware version to communicate seamlessly with the PC software and your car's ECUs. The PSA Interface Checker displays exactly what firmware is currently flashed to the device (e.g., v4.3.0, v4.4.0, etc.). 3. Firmware Flashing Tool psa+interface+checker+440+2021
Before altering the firmware, determine the physical capabilities of your VCI. Disclaimer: Flashing firmware carries risks
Click on Downloading to write the new firmware onto the device's chip. Do not unplug the USB cable during this process to avoid bricking the unit. Troubleshooting Common Issues PSA interface checker - French Car Forum psa+interface+checker+440+2021