Thanks for the rescue! I'm back up and running (Root -> Unroot ->Black screen)
One comment on the first post,
At: Reboot the OnePlus 7 Pro in fastboot mode (Power and volume-);
I had to press Power and both volumes, I read the original as Volume down.
Thanks again - donation sent.
One comment on the first post,
At: Reboot the OnePlus 7 Pro in fastboot mode (Power and volume-);
I had to press Power and both volumes, I read the original as Volume down.
Thanks again - donation sent.