iPhone 4

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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JohanL @johanl60516

Rep: 23

Posted: Nov 3, 2012

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liquid repair problem! logic board working but phone is dead

I´m trying to repair a friend´s iPhone 4 that has been lying front down over night in a pool of beer with the charger plugged in. The dock connector had visible corrosion so I changed the whole dock with flex cable to a brand new. I cleaned out the logic board and got it running in my test phone. I also switched and checked the whole frond inc. lcd and digitizer and switched the battery. So, Logic board works fine, screen works fine, battery works fine but it wont start in the beer damaged chassis. Any sollution !?

Answered! View the answer I have this problem too

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Hi, since u have the test phone, did u try to swap other components other than the logic board, for example the battery?

Nov 3, 2012 by John Savio

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ifixshop @ifixshop

Rep: 6.1k

iBar

Posted: Nov 4, 2012

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i had the problem before, the fault was the power button flex, if i plugged it in, i couldn't star the phone. tried to turn on the phone wit the flex not connected et voila! it worked

hope this helps

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3 Comments:

hey it worked! big thanks!!! Do you know if this is a common fault on liquid damaged iphones that wont start?

Nov 4, 2012 by JohanL

I donthink its that common, only had 1 iphone with that problem and you are the first i have found online :-)

Nov 5, 2012 by ifixshop

now i have repaired 2 iphone's with the same problem...

Dec 28, 2012 by ifixshop

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