I was replacing a cracked screen.
The repair is fine if you're patient and follow the steps closely. Don't force anything.
When transferring components to the new screen assembly, don't forget any of the small bits. I was halfway through reassembly when I noticed that I missed some tiny gaskets for the ambient light sensor (near the ear speaker). The ambient light sensor does not properly work without these, and you essentially get "trapped" in calls because the screen won't reactivate.