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.

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iPhone won't turn on after screen replacement

I did a screen replacement on an iPhone 4 following all directions, and now the phone won't turn on. The phone was working perfectly before the replacement and had about 20% battery. When the phone is plugged in to the charger it vibrates twice but does nothing else. It also vibrates when the silent toggle is switched back and forth. I did notice a small part on the main board was chipped on the top middle of the logic board. Could that have caused a connection issue within the main board. Any help would be appreciated.

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Hello Mark,

Your phone makes sounds and vibrates : so your phone turns on but doesn't display.

I think your display cable is not proprely pluged.

Remove battery from phone.

Unplug the display cable and the digitizer cable.

Plug them back proprely.

Put back your battery.

And then power on your phone.

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anyone can help me i replace screen on iphone 4s and now phone won't turn on and board is heating up .is this a common problem .was told could be from static shock which causes this to happen. has this happen to anyone and what can i do to prevent this it happened a couple of times .i was very careful with changing the screen.

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Mark McLaughlin will be eternally grateful.
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