. AT&T, Verizon Wireless and Sprint are all launching the iPhone 4S next Friday, but AT&T is doing its best to ensure consumers know that not all iPhones are created equal. The presence of HSPA 14.4 gives the iPhone 4S a theoretical download speed ceiling of 14.4Mbps, but only if you're on an HSPA network.
Boy Genius Report, AT&T: Our iPhone is better than your iPhone
