Autel maxicheck mx808

[hussin]

Hey there peace upon you,Am new in here,
Manufacturer Autel
Model Maxicheck MX808 Automotive scanner tablet
Firmware Version 1.0

I forget screen lock password I communicated with
http://www.autel.com/ Autel Tech Support
Sent me flash file and step how to flash
But not successful, while I starte ADB.exe
Error unauthorized device,for reference
Attached error screen shot,
so please
assistance to resolve the issue.
With Regards

[sidali]

Ihave sam problème with im ihave password and tell me is wrong autel failed if you resolve tell me if you need help