While the unlocked yellow 16 GB iPhone 5c was the first model to run out of launch-day stock through Apple's U.S. online store, several additional unlocked models of the device are now experiencing similar shortages. Supplies of carrier-specific models do remain available for pre-order with delivery on launch day of this Friday, September 20. Among the unlocked iPhone 5c models, the $549 16 GB models are seeing the most significant shortage, with all five colors currently showing shipping dates of September 25. The 32 GB model of the unlocked green iPhone 5c is showing a similar September 25 shipping date. Outside of the United States, iPhone 5c pre-order availability
