It’s easy and fast to update the firmware of X431 X-Prog3 on Launch X431 IMMO Plus or X431 IMMO Elite.
Step-by-step guide:
Click the “IMMO” function on the main menu
Select any car brand such as BMW
Then select the car Immobilizer software
Press “OK”
The system will load and detect the new firmware version of x-prog3.
For example, it finds the new version V1.72.
Follow the prompt to connect X431 IMMO Plus/IMMO Elite tablet and X-prog3 correctly
Click “YES” to update the firmware
Do not interrupt the connection and wait…
Update the firmware of Launch X431 X-Prog3 key programmer successfully