this is the instruction to reflash your lexia interface: (1) install the [ PSA Interface Checker Install.exe ] , after installation you will get 3 new shortcuts on desktop (2) connect your lexia interface to your computer by USB cable , no need to connect to car, install the driver for the interface automactially (3) run the [ PSA Interface Checker ] from desktop, click ACTIVATE, click Reference Serial (you will see the default serial number is Revision B that means the interface is not reflashed, we have to make it to be Revision C) (4) click Version of the selected file (APPLI.com), select vci_updater.com file, click Download the Flash App, wait for a few seconds untill the flash is done (when the flash is done successfully, the greem light/LED on your lexia interface will keep flashing ) *** This step is for reflashing which will change the serial number of your lexia interface from Revision B to Revision C also with the original Evolution Driver ! *** If the reflashing procedure only takes 1 second in your side , usually that means the reflashing fails, you need to make a special handling as follows: 1) copy the vci_updater.com file and appli.com file to MajAppCom folder located in C:\APPLIC\LEXIA\MajAppCom 2) do the step 4 again and select vci_updater.com file and appli.com file from the MajAppCom folder located in C:\APPLIC\LEXIA\MajAppCom (5) unplug the usb cable, then replug it into usb, you will be asked to install the new driver (original Evolution Driver) for the interface, just do it. (6) back to the [ PSA Interface Checker ] , click Version of the selected file (APPLI.com), select the appli.com file, click Download the Flash App, wait for a few seconds untill the flash is done *** This step will upgrade the firmware of your lexia interface to the latest v4.3.3 ! Congratulations! reflashing done! Now your lexia interface has the original Evolution Driver + Revision C serial number + Latest firmware 4.3.3, it's ready to work with diagbox v7.6x ! If you meet any difficulties on reflashing, please feel free to contact us for a online support by Teamviewer, you can download the Teamviewer from here: http://www.teamviewer.com/en/index.aspx After you install the teamviewer (please choose ''for personal use only'', not for ''commercial use''), please send your teamviewer ID and Password to us. For where is your ID and password, please check this photo: http://i803.photobucket.com/albums/yy319/vr007vr/whereistheIDandpassinteamviewer_zpsb91dfc63.jpg Thanks
mimi31