Launch X431 Firmware Fix Guide

When do you need firmware fix for Launch X431 diagnostic tool or IMMO tablets?


Firmware fix is required if following situations occur:


1). Error “No system is found”

Here comes a similar problem:

Launch X431 Pro5 scanner will not scan vehicle information, it gave the error no system is found.

Bluetooth connector is connected and ignition is turned to ON position.

Launch X431 No System Found

2). Failed to automatically search vehicle information and the automatic vehicle search does not work

Launch X431 Pros Mini No Scan Car

3). Cannot charge with original charger, app keeps stopping, diagnostic service failure 

Launch X431 Cannot Charge 1 Launch X431 Cannot Charge 2 Launch X431 Cannot Charge 3

4).  App crashes

App has stopped

Launch X431 Pro Has Stopped 1

5). Error Diagnostic service failure 

Launch X431 Diagnostic Service Failure



Check if Bluetooth connector indicator turns on.

If not, unplug and plug again. If still not turn on, there maybe something with the BT connector.

If yes, do a Launch X431 firmware fix as following:

Update software and then do a firmware fix.

Go to User Info->Firmware Fix-> Press Firmware Fix ->Scan bluetooth connector

Launch X431 Firmware Fix 1

Launch X431 Firmware Fix 2

Launch X431 Firmware Fix 3

If it is PAD V/PAD VII, Go to User Info->Fix connector firmware/system-> Fix Connector Firmware or Fix Connector System

If SmartLink VCI turns black screen, do a firmware fix.

Launch X431 Firmware Fix 4