For Autel MaxiDiag MD806 Pro, after you get it and want to exchange language, please offer us your serial number, we will exchange it for you.
Then some customers may meet the problem that fewer vehicles than before, the reason is that you did not update after exchange language, here is the instruction for how to update after that:
1. Take out the SD card from your device and load it to a computer with a card reader.
2. FORMAT the card to FAT32.
3. Run MaxiPC Suite which can be downloaded at the link: https://www.auteltech.com/download.jhtml
4. Download all programs you need again into the SD card.
5. Insert the card back into your device