https://motherboard.vice.com/en_us/article/59jwvz/iphone-8-aftermarket-touchscreens-ios-update

Last year, an iOS update killed touch functionality on iPhone 7 devices that had been repaired with third-party screens by independent repair stores. Patch notes for the update said that third-party replacement parts might not work correctly, but a week later another update resolved the issue. The message was clear: Software updates can kill core functionality on phones repaired by a third party.

It was bad enough that Michael Oberdick—owner and operator of iOutlet, an Ohio-based pre-owned iPhone store and repair shop—decided not to take a wait-and-see approach when Apple launched its new phones: “We don’t even do the 8 repairs this year, on purpose,” Oberdick told me over the phone. “I had a really good feeling that something like this was going to happen again.