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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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iPhone 4 not turning on after camera replacement

I replaced my iPhone 4 camera with my another iPhone 4 . After reassembling the phone , it did not turn on. I charged it but I hear clicking sound from my adapter , I think short circuit . But the adapter works fine with my 4s. The only mistake I have done is that I lost 2 screws of the email shield and the metal covering near the camera. Pls tell me a eolution

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2 Answers

Check to make sure that all of the LCD and battery connections are good. Disconnecting the battery before the LCD cables is a good idea to prevent short circuiting. The ESD shield shouldn't be a problem as long as you are able to screw down the four corners. If everything is connected properly try connecting it to the charger and holding down the Sleep/Wake button and the Home button for 15 seconds. If nothing happens then you may need to take it to a shop or upgrade.

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Try removing the new camera. Does the problem persist?

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