Q: Why does original iPhone show a different number of bars than iPhone 3G in the same location? A: The original iPhone uses 2G only (EDGE and GPRS), while iPhone 3G uses 3G and 2G and will use the best network available at any given time. Note that most carriers have greater 2G network coverage than 3G, but 3G network coverage continues to grow. link »
Friday, December 25, 2009
iPhone 3G: Understanding cellular data networks
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