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Fourth generation iPhone. Repair is straightforward, but the front glass and LCD must be replaced as a unit. GSM / 8, 16, or 32 GB capacity / Model A1332 / Black and White. This page aims to help users troubleshoot, fix, and seek help for the iPhone 4.

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How to determine the exact issue behind power button malfunctionning?

Dear sir, madam,

I have already been greatly helped by your website when my Iphone 4 showed battery issues last year. I would like to begin by thanking you very deeply for helping me so much already, and apologize for asking a bit more help.

The guides you offer show how to replace " the metal power and lock button cover, not the electronic switch itself."

How do I know which one I should proceed trying to repair ?

My power button works if I press on it really hard, and i do not know whether it is the metal power and lock button cover or the electronic switch that is malfunctionning. Same goes for my " Home " button. Would you be able to advise me on the matter?

Thank you very much for your kind help, and I would like to apologize for any grammatical errors in my question as english is not my native language.

Yours Deeply,

C.M

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While both can be complex issues, the most common fault for both is faulty internal button, the flex button. The fix for the home button then would be replacement of the home button flex cable which you need to remove the front screen. While the front screen is off repair the power button. I would just replace the top portion of the internal button, it is just a sticker with the top metal half of the button and the small important nub which aids in making the button click and work. Most others would just recommend replacement of the entire flex cable. But I just fix the button itself in my repairs.

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It is for sure the internal "electronic switch itself" in both cases. The metal button cover is just a piece of metal.

We typically call the parts you are looking for "power flex" and "home button flex"

These parts have mechanical buttons on them that are made of plastic---the plastic erodes away over time. I would be suprised if there are any iPhone 4's out there that DONT need a new power flex :)

Power flex replacement is a tedious job, but it is doable with good lighting, tweezers and patience.

Good luck!

jessa

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I've replaced the metal button and the whole cable itself.

I don't understand why it still isn't 'clicking'. I can see the bronze circle and the little piece on it for it to click. :)

But it won't work. Any ideas?

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Casse Manon will be eternally grateful.
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