Iphone 6s touch screen unresponsive after upgrade to iOS 11

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After installing iOS  on the iPhone6S there are very serious bug reported by many Apple user that the iphone 6s touch screen just became unresponsive in iOS 11. User just found that after upgrade to iOS 11, when it asks forinput my passcode and the touch screen of iphone 6s does not work. User have complaints that they have restarted the devices sevrel times and reset the device multiple times but it did not fixed the issue. However while restarting devices multiple times for few times the got the touch screen to work. User was able to unlock the phone in. I had to reboot for some reason and the issue is back. One user reported that “just got it to work after 10 more hard resets. I log in. After a while the screen goes back to passcode and the touch screen stops working again”.


To fix the issue :

It’s quite certain that upgrading the iOS version of iphone 6s running ios 11.1 beta 2  fixes the issue. Touchscreen will work just fine.
Some users have also reported that upgrading to iOS 11.0.3 have also resolved the problem with better battery life. Please try to check this option also. However downgrading to iOS 10.3.3 works fine also. downgrade to 10.3.3 is still the best solution if you need permanent fix.

How to upgrade iphone to 11.1 beta 2 developer
1.Plug iPhone or iPad into your Mac or Windows PC.
2.Launch iTunes.
3.Click on the iPhone or iPad icon in the menu bar when it appears.
4.Make sure backup is set to This Computer. (And enable Encrypted backup — it's worth it!)
5.Click on Back Up Now. (Click on Encrypt Backup and add a password — you want the security.)
6.Back up Apps, if asked.
7.Press Command, to open Preferences. (Or go to iTunes in the menu bar and click on Preferences.
8.Click on the Devices tab.

9.Control-click on your Backup and choose Archive.

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