There are quite a few questions on this forum regarding this issue (as well as great answers). Unfortunately for end-users, a lot of the best info is on specialized discussion groups. So I have created a blog post that summarizes the most current and relevant information and I have been updating it almost daily.
The bottom line right now is that the problem is with aftermarket screens produced with Hancai or Tianma LCD's using the Aichungjia (a Flex/IC manufacturer) "copy" driver appear to be incompatible with iOS 11. This driver is said to be unable to handle the iOS configuration and therefore shutting down and causing the lack of Touch functionality.
The only real, practical solution right now is to either downgrade to iOS 10 while you still can ( instructions for how to downgrade iOS to 10.3.3 ([http://www.wikihow.com/Downgrade-iOS|WikiHow]) or install an original/OEM grade replacement screen. I'm confident that the aftermarket screen manufacturers will correct this problem moving forward. In the meantime, contact your local repair shop (or vendor if you repaired it yourself) to see if they can offer you a replacement.
Apple has just released an update to iOS 11. Version 11.0.1 is now available for download. However, Apple does not state what bug fixes were included in this release. It is possible that this will attempt to address the "Touch not working" issue as we have learned that Apple engineers were contacting independent repair shops to understand the nature of this problem.
For those that are interested, you can click on my [https://www.ifixit.com/User/1395548/Minho|profile] for a link to my blog.
'''EDIT'''
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'''Update 2017/10/11 - Apple just [https://support.apple.com/en-us/HT208067|released] iOS version 11.0.3 and it claims to address the Touch Failure on aftermarket screens. For those of you that have been waiting for an official fix, it appears to be here. Make sure to comment below if this update solves your problem.'''
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'''Update 2017/10/11''' - Apple just [https://support.apple.com/en-us/HT208067|released] iOS version 11.0.3 and it claims to address the Touch Failure on aftermarket screens. For those of you that have been waiting for an official fix, it appears to be here. Make sure to comment below if this update solves your problem.
'''Update 2017/10/31''' - Apple has just released iOS 11.1. Check out the details [https://support.apple.com/en-us/HT208067|here].
There are quite a few questions on this forum regarding this issue (as well as great answers). Unfortunately for end-users, a lot of the best info is on specialized discussion groups. So I have created a blog post that summarizes the most current and relevant information and I have been updating it almost daily.
The bottom line right now is that the problem is with aftermarket screens produced with Hancai or Tianma LCD's using the Aichungjia (a Flex/IC manufacturer) "copy" driver appear to be incompatible with iOS 11. This driver is said to be unable to handle the iOS configuration and therefore shutting down and causing the lack of Touch functionality.
The only real, practical solution right now is to either downgrade to iOS 10 while you still can ( instructions for how to downgrade iOS to 10.3.3 ([http://www.wikihow.com/Downgrade-iOS|WikiHow]) or install an original/OEM grade replacement screen. I'm confident that the aftermarket screen manufacturers will correct this problem moving forward. In the meantime, contact your local repair shop (or vendor if you repaired it yourself) to see if they can offer you a replacement.
Apple has just released an update to iOS 11. Version 11.0.1 is now available for download. However, Apple does not state what bug fixes were included in this release. It is possible that this will attempt to address the "Touch not working" issue as we have learned that Apple engineers were contacting independent repair shops to understand the nature of this problem.
For those that are interested, you can click on my [https://www.ifixit.com/User/1395548/Minho|profile] for a link to my blog.
'''EDIT'''
'''Update 2017/10/11 - Apple just [https://support.apple.com/en-us/HT208067|released] iOS version 11.0.3 and it claims to address the Touch Failure on aftermarket screens. For those of you that have been waiting for an official fix, it appears to be here. Make sure to comment below if this update solves your problem.'''
+
+
'''Update 2017/10/31''' - Apple has just released iOS 11.1. Check out the details [https://support.apple.com/en-us/HT208067|here].
There are quite a few questions on this forum regarding this issue (as well as great answers). Unfortunately for end-users, a lot of the best info is on specialized discussion groups. So I have created a blog post that summarizes the most current and relevant information and I have been updating it almost daily.
The bottom line right now is that the problem is with aftermarket screens produced with Hancai or Tianma LCD's using the Aichungjia (a Flex/IC manufacturer) "copy" driver appear to be incompatible with iOS 11. This driver is said to be unable to handle the iOS configuration and therefore shutting down and causing the lack of Touch functionality.
The only real, practical solution right now is to either downgrade to iOS 10 while you still can ( instructions for how to downgrade iOS to 10.3.3 ([http://www.wikihow.com/Downgrade-iOS|WikiHow]) or install an original/OEM grade replacement screen. I'm confident that the aftermarket screen manufacturers will correct this problem moving forward. In the meantime, contact your local repair shop (or vendor if you repaired it yourself) to see if they can offer you a replacement.
Apple has just released an update to iOS 11. Version 11.0.1 is now available for download. However, Apple does not state what bug fixes were included in this release. It is possible that this will attempt to address the "Touch not working" issue as we have learned that Apple engineers were contacting independent repair shops to understand the nature of this problem.
For those that are interested, you can click on my [https://www.ifixit.com/User/1395548/Minho|profile] for a link to my blog.
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+
'''EDIT'''
+
+
'''Update 2017/10/11 - Apple just [https://support.apple.com/en-us/HT208067|released] iOS version 11.0.3 and it claims to address the Touch Failure on aftermarket screens. For those of you that have been waiting for an official fix, it appears to be here. Make sure to comment below if this update solves your problem.'''
There are quite a few questions on this forum regarding this issue. There have been some great contributions here as well as other specialized forums. I have written a blog post that summarizes the current situation as well as instructions for how to downgrade iOS to 10.3.3 ([http://www.wikihow.com/Downgrade-iOS|link] to WikiHow). Feel free to check my profile for a link or search the iFixit Answers forum for "ios 11".
+
There are quite a few questions on this forum regarding this issue (as well as great answers). Unfortunately for end-users, a lot of the best info is on specialized discussion groups. So I have created a blog post that summarizes the most current and relevant information and I have been updating it almost daily.
+
+
The bottom line right now is that the problem is with aftermarket screens produced with Hancai or Tianma LCD's using the Aichungjia (a Flex/IC manufacturer) "copy" driver appear to be incompatible with iOS 11. This driver is said to be unable to handle the iOS configuration and therefore shutting down and causing the lack of Touch functionality.
+
+
The only real, practical solution right now is to either downgrade to iOS 10 while you still can ( instructions for how to downgrade iOS to 10.3.3 ([http://www.wikihow.com/Downgrade-iOS|WikiHow]) or install an original/OEM grade replacement screen. I'm confident that the aftermarket screen manufacturers will correct this problem moving forward. In the meantime, contact your local repair shop (or vendor if you repaired it yourself) to see if they can offer you a replacement.
+
+
Apple has just released an update to iOS 11. Version 11.0.1 is now available for download. However, Apple does not state what bug fixes were included in this release. It is possible that this will attempt to address the "Touch not working" issue as we have learned that Apple engineers were contacting independent repair shops to understand the nature of this problem.
+
+
For those that are interested, you can click on my [https://www.ifixit.com/User/1395548/Minho|profile] for a link to my blog.
There are quite a few questions on this forum regarding this issue. There have been some great contributions here as well as other specialized forums. I have written a blog post that summarizes the current situation as well as instructions for how to downgrade iOS to 10.3.3 ([http://www.wikihow.com/Downgrade-iOS|link] to WikiHow). Feel free to check my profile for a link or search the iFixit Answers forum for "ios 11".