1. If your M8 key pro is locked, pls send us your serial number , pass code and lock code on screen. (See attached )
2. Then we will unlock it and send you an unlock code ********.
3. Pls input it in, and connect it with computer to re-update it to the latest version again by M8 unlock file.
And If you meet problem with it as following pic shows, just to connect it with computer and re-update it again too.
Video of How to Update Video of M8 Key Programmer
Any help, pls do not hesitate to contact us.
WhatsApp: +86 15059902654