https://motherboard.vice.com/en_us/article/bjv9jz/apple-ios-11-repair-screens-software-update

The release notes for iOS 11.0.3—an iPhone operating system update pushed to customers Thursday—comes with a not-so-subtle warning: Don't get your phone fixed by anyone who isn't Apple.

The update fixes a few bugs, namely one that caused a loss of touch functionality on a small subset of phones that had been repaired with certain third-party screens and had been updated to iOS 11.