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 integration with Twitter, Wikipedia, Bing, and Photos. The highest operating system it supports currently is iOS 10 in 2016. iOS 11 will not support this iPhone, as the phone ceased production in September 2015 and it is also a 32-bit iPhone. Facebook comes integrated through Apple's native apps. Facebook features can be directly accessed from within native apps such as Calendar which can sync Facebook events, or use Facebook's like button from within the Apple App Store. iTunes Radio, an internet radio service, is also included on the iPhone 5C. It is a free, ad-supported service available to all iTunes