TWRP New install , New Phone issues fastboot

[eracet]

Did standard unlock bootloader (went fine)
Moved a TWRP zip onto phone sd root directory (twrp-3.4.0-0-guacamole-unified-Q-mauronofrio.zip)
adp fastboot boot twrp-3.4.0-0-guacamole-unified-Q-mauronofrio.img. (went fine)

But when I look for the zip file (or any system files) it does not show up , even in TWRP file manager.
Redid data wipe and it tells me "Failed to mount /system_root and /vendor

I am 99% sure that its just because these will not mount:
Does anyone have any idea what I can do to get these mounted to start a regular TWRP flash ?

 

[eracet]

Well I tried adjusting data format and ended up losing the Stock Rom.
And the stuff will still not mount.

UPDATE, rewiped data and got stock rom to load.
Now Data will load but vendor will not.

UPDATE : data and vendor will mount after data wipe. But still cannot see anything that is placed on device.
Such as the zip files I need to install.

UPDATE: now I sideloaded TWRP onto new phone, but now cannot get it to reboot into Rom.

Its odd after plugging it in , it went to a stock recovery even when TWRP was installed.

Found the issues, finally had to run MSM download tool and fix everything from there and start from scratch.
Ended up installing TWRP from fastboot flash recovery image.

Now to get root going on it and magisk.

 

[Lossyx]

What device do you have?
You're in the 7T forum but saying you used the 7 Pro twrp.

If you're using 7T, the reason why you don't see internal storage is because TWRP cannot decrypt on OOS (this is not because of a mounting error, this is simply due how oneplus has implemented their encryption).
And on 7T you don't need a zip of any sort to install twrp.

Reading the actual twrp thread would be a good start.

 

[eracet]

What device do you have?
You're in the 7T forum but saying you used the 7 Pro twrp.

If you're using 7T, the reason why you don't see internal storage is because TWRP cannot decrypt on OOS (this is not because of a mounting error, this is simply due how oneplus has implemented their encryption).
And on 7T you don't need a zip of any sort to install twrp.

Reading the actual twrp thread would be a good start.

Yes, I read though the threads, But got so bombarded with pages of stuff kind of lost track.
This is why I posted . Also it is a combined Christmas gift for my daughter that she cannot know I am working on. So I think I tried to rush it when she was in school.

Found out about the decryption part after I started the process. Then it was too late and ended up having to start over with tools.
It was a newb move to end up this far and try to rush it.

People did help me get back on track and now I am working on figuring out Magisk. (good help on magisk threads).

Thanks for your response.

 

[rocketrazr1999]

Well I tried adjusting data format and ended up losing the Stock Rom.
And the stuff will still not mount.

UPDATE, rewiped data and got stock rom to load.
Now Data will load but vendor will not.

UPDATE : data and vendor will mount after data wipe. But still cannot see anything that is placed on device.
Such as the zip files I need to install.

UPDATE: now I sideloaded TWRP onto new phone, but now cannot get it to reboot into Rom.

Its odd after plugging it in , it went to a stock recovery even when TWRP was installed.

Found the issues, finally had to run MSM download tool and fix everything from there and start from scratch.
Ended up installing TWRP from fastboot flash recovery image.

Now to get root going on it and magisk.

Magisk IS your root