The one big thing missing from the iPhone 4 is next-gen 4G data network support, which is probably why Apple called it the 4 instead of the 4G.
AT&T will reportedly have a 4G network up and running in 2011, whereas Sprint has already rolled out its next-gen network. Verizon has also deployed its 4G network, which currently works with one phone, the HTC ThunderBolt (the data speeds are impressive but the phone's battery life is a major drawback). However, the Verizon iPhone 4 doesn't support 4G data.
Many don't believe Apple will include "true" 4G data support in the next iPhone 5, mainly because using 4G data networks are taxing on battery life. However, if Apple decides to delay the iPhone 5's launch date until the fall, the odds increase that it will make the iPhone 5 a true 4G phone.
Chances of implementation: 50 percent
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