Some iPhone and iPad users have discovered that their devices touch screens are having random problems with response to touch input, particularly since updating to iOS 15 or iPadOS 15 or later, including iOS 15.1 and iPadOS 15.1.

The touch screen issue can be everything unregistered taps, unresponsive to touch input, a seeming delay to touch input, erroneous touch input, or even just completely ignoring touch input.

Some common examples of issues with iPhone or iPad touch input, or an unresponsive touch screen, include the following:

• Swiping on the screen to…