Unexpectedly, you feel surprised about your iPhone is giving slow response time or iPhone touch screen stop working/ unresponsive. Here are the troubleshooting steps on release or unfreeze screen like never before. Mostly unbalanced or unmatched iOS version create problems related to hanging, Screen Freeze or unresponsive. From newly released iPhone 6S/ 6S Plus, iPhone SE model, apple seeds to gave faster processor for quick process and response from iPhone.
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Troubleshooting: iPhone touch screen stop working, Low Response: iOS 11
1 Work on Dry interface
Make sure your iPhone screen is a dry, or moisture free finger. Sometimes iPhone screen in pocket creates sweating on screen. Or from experience while charging your iPhone catch heat. For all the problem, Dry your iPhone screen using cloth then use.
2 Protector damaged
If you wear screen protector on the screen, the Low-quality screen protector will lose important touch features for all time. Just remove or replace with other screen protectors.
3 iPhone Up to date
Your iPhone should be updated with latest iOS version, Know compatible iOS version for iPhone and Update if available. Go to the Settings > General > Software Update.
4 Restart iPhone
Running the app in the background may be interrupting your screen UI and process, in that case, you can terminate or refresh iPhone by restart or Force restart it, for restart press and hold sleep/ Wake button until you see Apple logo on the screen.
Also, Try Hard Reset or Reboot:
iPhone 8 and iPhone 8 Plus:
1: Press and Quickly Release Volume Up button,
2: Press and Quickly Release Volume Down Button,
3: Press and Hold Side Button until you see the Apple logo on Screen.
To Start iPhone, Again press Side button until startup apple logo on the screen.
iPhone 7/7 Plus: Press and Hold Sleep/Wake + Volume Down Button
iPhone 6S and Earlier: Press and Hold Sleep/Wake + Home button
Until you see the apple logo on the screen.
5 3D touch low response/ Not working
Yes, 3D touch is totally adjustable or You can set touch sensitivity on the screen using finger touch from iPhone setting app. Go to the Settings > General > Accessibility > 3D Touch.
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6 Screen Cracked or Damaged
Use screen replacement kit for your model and go with learning tutorial for replace own self at your home, without any technical knowledge.
Above are the technical reasons and in behalf solutions for any types of iPhone touch screen stop working or Unresponsive/ Low response. Share your support with us, which steps make you happy.