Sometimes a small gold piece falls apart from the EMI shield : http://www.iphoneshopusa.com/blog/wp-content/uploads/2012/04/top-shield-iphone4-wifi-problem1.png
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Sometimes a small gold piece falls apart from the EMI shield :
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[image|173462]
Not replacing it right will cause bad wifi reception
Can you take a picture of it?
Sometimes a small gold piece falls apart from the EMI shield : http://www.iphoneshopusa.com/blog/wp-content/uploads/2012/04/top-shield-iphone4-wifi-problem1.png
Not replacing it right will cause bad wifi reception