A report from yesterday claimed Sprint was going to sell the iPhone 4S with an unlocked SIM card, but a Sprint spokesperson has confirmed that rumor is false. Speaking to Ars Technica, the representative said Sprint will support international roaming, but only with a Sprint international rate plan. You can't pop in any micro-SIM from the least expensive carrier.
Verizon was also supposedly going to unlock the handset for customers after 60 days, but this report has not been corroborated. Verizon c