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Wifi reduced after screen replacement

I just recently replaced my screen and digitized an back screen panel as well and after wards my wifi signal has been greatly reduced. I have read posts and everything i've read relates to the metal panel with the 5 screws on the top of the back panel. The metal connector at the top post with the long screw is still there but yet i only get 1 wifi bar of signal. Are there any other parts of the phone that may need replacing to fix the signal issue.

thanks!

Update

So I cleaned all the parts and it works a tiny bit better. Te metal clip on the top part of the connectors is still there. But the screw goes in a little loose and I'm not sure why. When it's screwed all the way down not all of the metal is touching because the screw slips down when tight.

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OK, First of all, Replacing the iPhone 4 screen is a royal pain in the a#$. It is seriously my least favorite repair to do. When you replace the screen on the iphone 4, if you get the oils from your skin on anything..... I mean anything.... It will cause wifi signal issues.

To combat this, when I replaced mine, I wore latex gloves, and cleaned every surface I touched with "Windex"(Because it is a powerful degreaser), just keep it off the logic board. I know this sounds pretty crazy, but my wifi signal actually works better now than before I tore it down now. My friend did his, and didn't clean the surfaces his skin came in contact with, and his wifi antenna barely works now.

I don't think you need to replace anything, just go in there and sterilize every surface. I am certain it will work.

Let me know!

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THANKS! I will try that later tonight and see if that works. It is such a pain to take everything apart on the phone

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Check if in top of the metal panel is a little peace of metal where u get the big screw.

:p

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Yeah, there's a long screw that goes right in the top of the device, the is vital to wifi. I didn't fit it properly and it barely worked, after replacing it it worked fine.

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