https://matrix.to/#/#rossmannrepair:matrix.org
Let's get Right to Repair passed! https://gofund.me/1cba2545
Here is Jessa's original video. The audio sucks so I reuploaded a fixed copy here, but all credit goes to Jessa. https://www.youtube.com/watch?v=nR7FRJWEGPs 

Jessa has a great channel for people looking to get into iphone board repair. I would highly suggest checking it out. Especially the 2-4 hour livestreams where you get to work alongside her as she troubleshoots and learn her mindset, and what she looks for.