For its part, the iPhone 3G has maintained strong growth, with a steady flow of mobile subscribers switching to AT&T for the iPhone in the two months since the device launched in mid-July, Nielsen Mobile reported Thursday.
Between June and July, the number of customers switching to AT&T for the iPhone increased by 97%. Postpaid network adds for AT&T grew by 70% during the same period, according to Nielsen.
So far, the iPhone 3G has been especially popular in San Francisco and New York, where the number of mobile subscribers switching to AT&T for the device surged by 137% and 183%, respectively, in June and July. The mobile industry as a whole averaged a switch rate of 113% during the same period.
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