I had some issues with Unity which were (somehow) resolved by re-installing Unity Hub.
The process of building to my phone presented some issues as well but they were eventually fixed- with a small amount of stress.
The link to the video is below
https://drive.google.com/file/d/1gj8RPbmpwFMPV4wQC7g8Jw_7Q3BiYhcR/view?usp=sharing