A key difference between U.S. and international versions of the iPhone 17 Pro is that the U.S. model features a 5G

A key difference between U.S. and international versions of the iPhone 17 Pro is that the U.S. model features a 5G mmWave antenna at the top of the device. Models sold outside the U.S. do not support mmWave 5G. A key difference between U.S. and international versions of the iPhone 17 Pro is that the U.S. model features a 5G mmWave antenna at the top of the device. Models sold outside the U.S. do not support mmWave 5G.