Hello, I have 2 iPhone 4's on Verizon. I wanted to swap the screens on them since one is in locked and the other one is shattered. After a very long process of lost screws and frustration I finally have the good screen on the good phone. The only thing it does now is show up in iTunes and keep making the charge chime. I have put the other board in the housing and it does the same thing. I have even tried the cracked screen on both boards and the same thing happens. I would really appreciate it if you could help me out.