Here I found a cool Squidoo lens that could be a helpful for those who have a broken iPhone or other gadgets.
"Do not squander your energy and time thinking about things you can't change and worrying about all the wrong things. Do not wait. Prep up and start selling your broken iPhone now."
If you just want to revive your broken iPhone specifically for broken screen issue, here I found a cool repair tutorial for iPhone 3G glass replacement.
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