Display / screen has dark spot
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I replaced the dock connector, home button, and rear glass panel on this iPhone 4.
After I finished, I powered the unit up and all works properly, except the fact there is a dark / black / discolored area on the screen.
What did I do? Is it repairable, or do I now have to replace an additional item? What item would I replace?
Link to pictures of that area/spot
Archived as not answerable by oldturkey03