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Home button rapidly clicking after screen replacement

Hey guys. Just fixed a Iphone 7 screen. Normal process of moving over the front camera flex, speaker, lcd heat shield, and home button. Well when I finished it and pressed the home button it starts vibrating rapidly and opens recent apps. Nothing looks torn or bent so I dont know whats wrong. Any suggestions?

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Any update on this issue? I am seeing this issue multiple times on iPhone 7 and 7 Plus. Some of the phones have the issue before I even open them up.

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I am facing this problem. Replaced 5 lcds , different suppliers also, also checked with genuine refurbished lcd.after that gone to settings -general-home button-there is 3 options.try all.even slow speed as well...no luck at all..

Than removed home button and check gasket (arround home button rubber) and clean.after that installed..

Now once press hard and working few minutes good and after that same problem.

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5 Answers

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I’d check the Taptic Engine to make sure it is secure and make sure everything is grounded properly. Also, go into the Touch ID settings to see if that has any impact. Good luck!

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How do you do that? Is there a guide?

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@mayer

iPhone 7 Repair

Taptic engine is right above the charging port. Some are labeled : Taptic Engine some have black tape on them. Home button setting should be under Accessibility>Home button

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The question was rhetorical to get you to give a more complete answer.

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Bump...any updates??

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Bump... One year later. Any solutions to this issue? I have seen multiple iPhone 7's with the same issue - An overly sensitive home button.

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Do you have another screen assembly to test with? It could be a faulty screen. I would also go back and reseat any connectors, and make sure the screws holding in the home button are not overtightened.

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Same problem here and I’m on my 3rd screen. After 1st screen, home button worked just fine but phone would randomly turn off usually while taking portrait photos but sometimes other times too. 2nd screen, home button stopped working but Touch ID was working fine. 3rd screen, rapid clicking but home button worked and Touch ID still worked. iPhone 7 Plus. I’m at a loss. No damage to any cables or connectors.

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the u10 chip has been damaged remove the cable with heat

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Are you sure this is the issue? I have replaced the U10 (Turtle) IC before to try and remedy this issue and though it usually no longer clicks repeatedly the button is still so sensitive that if you barely touch the button it "clicks".

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Hello, i faced this trouble twice in a week with two different iphone7 with very badly damaged screen (and one with water damaged). They have been previously opened so i don t know if i did the mistake at least for one but for the water damaged the trouble was already present: the flex cable from the button (not from the touch id) is cut near the grounding pad

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as a capacitive sensor the button sensor is driven using specific pulse to sense the capacity change due to finger: with the track cut… it sense using the second half of flex board. Most of such circuit have a automatic calibration mode and without real sensor area, the button become crazzy. I will try two have my button repair in microsoldering surgery…

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Best of luck to you! That cable tends to tear when over tightening the screw for that anchor. Easy to tear and extremely difficult to repair. I haven't had luck with capacitive touch working after such a repair. Let me know if you have better luck!

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