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iPhone wont turn on after display swap

I replaced the cracked screen on an iPhone and it worked fine afterwards. However the day after, it would´nt turn on.

I already plugged in another battery but still same result. It won´t show up in iTunes.

I used 70% Isopropyl 30% destilled water to clean the phone, has it maybe caused some corrosion?

Thanks for your help

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I would take a step back and start by re-installing the original screen to see if the problem is consistent with the screen or the phone (logic board). I would also closely inspect the flex and connectors to insure there was no damage from the repair. Quick question - did you disconnect the battery prior to removing the display, and connect it only after the display was re-connected?

The other thing to try is to remove the screen altogether and connect the phone to an iTunes enabled computer to see if it is recognized. While you’re at it, you could also remove the RCAM and button flexes and keep the phone in a minimalist state.

My concern here is your cleaning process. In theory, distilled water in contains no minerals and is non conductive, so you’re approach to cleaning the device is sound. However, in practice, its possible that the “pure” water you used was not as pure as you thought or were led to believe.

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I didn´t disconnect the battery when I installed the screen, but the iPhone won´t show up in iTunes so I think the screen shouldn´t be the problem. Nevertheless I will try using the old screen tomorrow.

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Philipp Udwari será eternamente grato(a).
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