Repairing iPhone 4 LCD Backlight Dim spot issue

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Repairing iPhone 4 LCD Backlight Dim spot issue: crwdns2935265:00crwdnd2935265:01crwdnd2935265:02crwdne2935265:0

Repairing iPhone 4 LCD Backlight Dim spot issue: crwdns2935265:00crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

I got this damaged iPhone 4 screen from a local repair guy. He gave it to me for free as it is of no use to him.
Make sure the back LCD/Backlight part isn't damaged or missing.

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