I don't doubt it. Don't even need to read between the lines. Not after hearing what the CFO at Verizon said about the iphone 4 and 5 with respect to LTE last week. He said Apple needed more time to test the LTE hardware changes to iphone so they decided not to hold up the Verizon release and just go with EVDO for now in the iphone 4. I recall the chip to be used in the iphone 5, he said, is the Qualcomm 9600. It takes
BOTH hardware and software to make the phone work for LTE/ EVDO Rev A Rev B/1RXTT backward compatibility. There is no doubt for me that the iphone 5 will be LTE capable at the hardware end but the iOS software to make everything work may be an upgrade in the Fall. The hardware will be LTE. Jail breakers take note!
This would not be out of character for Apple to do this. Hardware crippled by limited iOS first and later an iOS upgrade to access complete feature set. Meanwhile Jailbreakers will be hot to trot on some form of hack to access this early on.