you need full flash using rom 20171227 after update using local update
https://mega.nz/#!ALYXBDxK!KCoHt3WuJ2Rn ... vYfFXGHeBw rom 20171227
https://mega.nz/#!JQBRRKpR!0F0jL-2Sp60n ... 7z8OyEHkh4 Local Update Android 8 Oreo

I also do not encourage to update to android 8, I had to do a downgrade because I could not get root access with android 8, since I need it to have free internet, and I will not sacrifice that just to have android 8 ..

I entries to page and only have a ROM Android 7 for full flash and ota file for upgrade, I full flashed my blackview with latest version ROM of nougat and after y copy file upgrade Android 8 to my phone storage them I go to option of local updates in information of phone. The phone rebooting and sho...

hello look for the download for the flash of my mobile using the sp flash tool but the only thing I have found the ota I want to flash using the flash to have a clean installation...

I do not understand.
I flashed my 8000 pro under windows 7 and windows 10 without problems
Only i use a universal MTK Drivers