Apple on Tuesday released iOS 11.3.1, the thirteenth official update to iOS 11. The update comes about a month after the company pushed iOS 11.3 to the public.
The mobile update brings security improvements and addresses an issue where the touch functionality of the display was disabled on some iPhone 8 devices using non-genuine replacement displays. The bug was discovered following the release of iOS 11.3, and it’s fixed now. Apple writes:
iOS 11.3.1 improves the security of your iPhone or iPad and addresses an issue where touch input was unresponsive on some iPhone 8 devices because they were serviced with non-genuine replacement displays.
In adition to the short software release note, Apple also mentiones that using non-geneiune replacement displays may have compromised visual quality and may fail to work correctly.
Note: Non-genuine replacement displays may have compromised visual quality and may fail to work correctly. Apple-certified screen repairs are performed by trusted experts who use genuine Apple parts. See support.apple.com for more information.
iOS 11.3.1 is available to all eligible iOS devices over-the-air in the Settings app. Proceed to Settings > General > Software Update and you’re good to Download and Install. Happy Updating!