A number of iPhone 6S and 6S Plus users have reported frozen, unresponsive iPhone screen problem. The iPhone 6S screen goes unresponsive with periodic breaks as soon as it is unlocked. The frozen screen could last for 6-10 seconds, which becomes a big nuisance. You can fix unresponsive iPhone 6S problem using the methods given below in this article.
Make sure to clear your screen of any oil, droplets and other dust particles. Any hindrance between the screen and touch will cause in a failure to register touch.
Fix iPhone 6S Touch Screen Unresposive
In order to fix unresponsive touch screen of iPhone 6S and iPhone 6S Plus, the first and foremost trick you should try is to force reboot your device. This clears off and fix the problem.
Press and hold home and power button together. Keep holding both buttons until you see the Apple logo on the screen. That means the iPhone is rebooting.
After rebooting the iPhone, check the touch again. Chances are high that the frozen screen problem will be fixed.
The second way to fix unresponsive touch screen of iPhone 6S and iPhone 6S …read more
Read more here:: Fix iPhone 6S Touch Screen Unresposive, Frozen (Guide)