Why does one iPhone 3G have one bar less than other iPhone 3G?
iPhone 3G in an otter case and the iPhone shows one less bar in signal strength the iphone without case. What is going on?
Can you add an antenna?
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Otter cases are really thick, so it is understandable that there might be some effect on signal strength. Unfortunately, there is no way to attach an external antenna to an iphone.
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