Since At&t has come under fire recently for its network’s abilities, At&t has now said that it may have to charge the heavy iPhone data users extra. AT&T claims that the high bandwidth usage, brought on by iPhone users, is causing network issues such as dropped calls, slow 3G network and problems connecting to the network. Consumers with the unlimited data plan may have to pay a penalty if they use more than 5GB a month soon.
A spokesperson for AT&T, De la Vega, said that 3% of the smartphone users are consuming 40% of the wireless bandwidth in the country. Most of the bandwidth is being used up by streaming audio and video applications on smartphones, which offer constant Internet radio steaming or YouTube video steaming.
Source: Neowin (Thanks for the tip Sporkman)