When you buy your iPhone 5, you have tons of options to choose from. Yes, there are different storage sizes, but you also have the two color options, and then have to get the right iPhone for your carrier. In the U.S. that means you have 18 different models to chose from if you don’t have a carrier preference.
If Apple could just manufacture one iPhone that works on all the LTE carriers, then they’d be able to simplify their supply chain considerably. Luckily, Qualcomm announced a new wireless chip that might make that possible.