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This link has been bookmarked by 1 people . It was first bookmarked on 09 Sep 2010, by Adam Mills.
If you want to test your iPhone antenna reception very precisely, you can use the field test mode to do so. iPhone 4 owners, you probably want to check this out.
Apple iPhone 4 iPhone4 iOS 4.1 iOS4.1 software field test mode fieldtestmode tech technology gadgets antenna reception antennareception
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