iPhone 7 touch delay issues and iOS compatibility.

iPad 1-3, Nouveau, Mini

iPhone 7 touch delay issues and iOS compatibility.

Messagepar breckjensen » 29 Nov 2017, 07:11


I wonder if you could contribute some of your knowledge with regards to how the iOS communicates with the LCD on these models as the touch chip is on the LCD and the signal used is via a capacitor and filter then direct to CPU from FPC socket.

Now the reason I ask is that I have an iPhone 7 come in for touch freezing issue.

Its a copy LCD and had exposed voltage contacts that can short with back plate.

Now I repaired a ****n filter for that line and have good comma with CPU now .

Here's the interesting part..... The touch works flawless with the activation setup but once on the iOS which is 11.0 at the moment , was on 10.3.2 with same issue , the touch swipes fine but huge delay with touch on icons and power button delay by up to 10 seconds I'm putting this down to the copy LCD and its software comms with the iOS.

Is there any light you could shed on the differences with activation setup and the iOS as it seems the LCD isn't compatible 100% with iOS.

With the LCD on it takes almost 5minutes to boot to the passcode screen.

Any help would be greatly appreciated.


I didn't find the right solution from the Internet.

http://forum.gsmhosting.com/vbb/f631/ip ... y-2249824/

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