I’ve managed to flash TWRP (by using the internal command ’ create recovery ramdisk’) now I can reboot to recovery (as the guide require). But the result is still a failure as soon as I start the sideload, no error explanation given…
Can anybody who managed to have the system successfully installed please share her/his experience?
Can at least say what was the stock rom used? anybody?
I recently installed Android T on a ‘lake’ with stock on it. Worked flawlessly. If you have windows and can use the rescue, maybe better. Make a backup of your data 
Did you followed the installation guide AS it is?
Eventually I completed the job but only because I encountered this post:
So, definitively https://community.e.foundation/u/Eugenia saved my days (and nights 
)
Moto G7 plus guide is simply wrong and I don’t know why no one correct it.
So, I don’t really know if it actually possible to update from that custom P unofficial build directly to the current latest T build, but I know by sure that it is not possible to install anything following that guide.
I think so, don’t remember that too much.
It was also not my first flashing maybe I realized during it. Can’t tell