Why is my iphone 4 screen White?

Ok so i replaced my at&t iphone screen and followed all the youtube steps but at the end my screen is white and can bearly see the apps and stuff. What can i do.

There's Probably a loose connection. Like the douche said, you should've had it done by a trained professional. But since you didn't, I would go get it checked out with a trained professional. He could probably fix it for a couple bucks. But its better than wasting you money and buying a whole new phone. Other than that if you have warranty get it fixed at an apple store or buy some warranty.

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