Apple today updated its U.S. online store to begin offering sales of unlocked, SIM-free iPhone 5s models, with shipping estimates currently set at 1-2 weeks compared to 3-5 business days for carrier-specific purchases (via 9to5Mac). Pricing is the same as for other unsubsidized iPhone 5s models, with the 16/32/64 GB models available for $649/$749/$849 respectively. While the launch brings official unlocked device sales to Apple's stores for the first time, many of the carrier-specific models sold by Apple have been unlocked all along when purchased at full retail price. For example, the T-Mobile iPhone 5s models sold by Apple have be
