In spite of fears AT&T (T) and Verizon Wireless (VZ, VOD) will drastically change their...

|By:, SA News Editor

In spite of fears AT&T (T) and Verizon Wireless (VZ, VOD) will drastically change their iPhone (AAPL) upgrade policies, Piper's Gene Munster predicts they'll merely require a 20-month waiting period between upgrades, compared with 18 months required for the 4S. As a result, he still forecasts 49M iPhone shipments for Apple's December quarter (+32% Y/Y). Meanwhile, Barclays and Wedge Partners offer previews of what to expect at Apple's upcoming developer conference. (Canaccord)