Problem: X431 X-PROG3 error “failed to update the Anti-theft Key Matching Adaptor Firmware.
Click on “Yes” to upgrade.
X431 X-PROG3 Software Update
The software update function keeps your diagnostic software & App up-to-date, you can also use it to customize your frequently used software. To update Diagnostic Software & APP:
- On the main diagnostic screen, tap Software Update to enter the update center. Check the software you want to upgrade, and then tap Update.
- Once downloading completes, the software packages will be installed automatically.
Note: • You may stop the process by tapping Stop, and tap Continue to resume the process later. • In case of network connection failure, tap Retry.
- You will see below dialogue box once the installation is completed.
Alright, now you are ready to use Launch X431 X-PROG3 to do key programming, engine and gearbox replacement for various of vehicles, to retrieve ECU information, read,
erase, and write in for a range of chips as shown in the product options.