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CDMA version of the fourth generation iPhone. Repair is straightforward, but the front glass and LCD must be replaced as a unit. 16 or 32 GB / Model A1349 / CDMA compatibility.

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black display screen after reassemble back iPhone 4

I replaced the power button cable and reassembled the phone. But now i only get a black screen. I hear a ding sound after plugging in the charger so I know the battery is charging. I can also connect the phone to my computer and have it be detected by iTunes. I took the phone apart and rechecked all the connections, and still nothing. Any idea what could be wrong

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Try reseating the LCD ribbon, because with everything else it sounds like the hardware is working fine. The issue is not getting the screen to wake up. Have you tried a hard reset while it put back to together.... its when you press the power & the home button at the same time for 20 seconds while it is plugged into a wall outlet for charging not a computer.

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Thank you. The hard reset solved the problem.


Glad i could Help :0)


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