IPhone in three sizes: 16, 32, and 64GB. The iPhone 5 and 5S were available in the same three sizes previously available to the iPhone 4S: 16, 32, and 64GB. The lower-cost iPhone 5C model was initially available in 16 and 32GB models; an 8GB model was added later. The iPhone 6 and 6S were available in three sizes at launch: 16, 64, and 128GB. The iPhone SE was available in 16 and 64GB variants at launch. When the iPhone 7 and 7 Plus were released, Apple changed the base model storage capacity from 16 to 32GB. Both the iPhone 7
IPhone 5S so customers could keep checking for units available at their local Apple Stores, and order for pickup. Online orders were also in short supply on launch day, with the shipping date across all model sizes and colors changing from "7-10 working days" to "October" in all countries, within hours of online orders being taken. The iPhone 5S was the best selling phone on AT&T, Sprint, Verizon, and T-Mobile in September 2013 in the United States, outselling the iPhone 5C and Samsung Galaxy S4. According to Consumer Intelligence Research Partners, the iPhone 5S outsold the 5C by a two-to-one margin during