IPhone (1st generation) $499, the original launch price of the 4 GB model. Apple released an SDK on March 6, 2008, allowing developers to create the apps that would be available starting in iPhone OS version 2.0, a free upgrade for iPhone users. On June 9, Apple announced the iPhone 3G, which began shipping July 11. The original iPhone was discontinued 4 days later; total sales volume came to 6,124,000 units. During release, the iPhone was marketed as running "OS X". The name of the operating system was revealed as iPhone OS with the release of the iPhone SDK. The original iPhone supported
IPhone 5C 2014) over the iPhone 5C, during the period that both phones were sold side by side. The 8 GB version of the iPhone 5C, released in 2014, was described as "unusable" as only 4.9GB is available to the user after installing iOS 8; in contrast to iPhone 5S which offers a minimum of 16 GB storage. The iPhone 5C was regarded as too expensive to compete with affordable flagship smartphones such as the Nexus 5 and OnePlus One, or smartphones designed for developing markets such as the Moto G. The iPhone 5S and 5C sold over nine million units in