Apple now sell unlocked iPhone 4 in the US

Just like we have predicted Apple started selling unlocked iPhone 4's in the United States. iPhone 4 16GB version costs $649. The 32GB version is $749. An unlocked handset offers all of the features without a contract commitment and can be used on supported GSM networks.

All the features of iPhone 4 without a contract commitment. Use it on the supported GSM cellular network of your choice.

If you don’t want a multiyear service contract or if you prefer to use a local carrier when traveling abroad, the unlocked iPhone 4 is the best choice. It arrives without a micro-SIM card, so you’ll need an active micro-SIM card from any supported GSM carrier worldwide.

The unlocked iPhone 4 requires an active micro-SIM card that you obtain from a supported GSM wireless carrier. Simply insert the micro-SIM card into the slot on your iPhone, connect to your Mac or PC using the USB cable, and launch iTunes on your computer to complete the setup.

You can buy unlocked iPhone 4 in Apple Store.