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Why is my iPhone 4 faster at downloads over 3G than over my wifi at home?
asked Dec 19, 2010 by triuser (1,799 points)

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Most probably the range of your iphone and the wifi main server nearer..moreover iphone 4 works cool on wi-fi.I have seen it before.
answered Dec 23, 2010 by trianswer (22,754 points)