Apple hoped its recent press conference could heal the bruising the iPhone 4's image has taken from the press. But for further repair there's Antenn-aid, a vinyl Band-Aid sticker sized precisely to cover your iPhone 4's antenna gap. It's mainly a gag, but if you're trying to avoid a bulky rubber bumper, you might give it a shot!follow link
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Antenn-aid For iPhone 4 Signal Woes