How to Fix a Touch Screen That Isn't Working We've found that the following steps can help a touch screen start working again. You should try them in this order, but some may not apply to your device.

If your S8 does not have physical damage, the next troubleshooting step that you can do is to check for possible bad app problem. Some third party apps may interfere with Android.

Primarily a company that designs and builds digital signage, they were approached by several customers who wanted a large screen device that had multi-touch functionality similar to a smartphone.