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 5 of sound produced is poor. AT&T, Verizon, and Sprint offer LTE access in the US, while in the UK, only EE and Three are able to offer LTE access. On March 26, 2013, T-Mobile announced they would begin carrying the iPhone 5, making it the first iPhone to be available on all four nationwide carriers in the United States. The T-Mobile version of the iPhone features a modified version of the A1428 iPhone 5 model enabling Advanced Wireless Services (AWS) support. All carriers in Canada selling the have their own LTE networks, including Rogers Wireless, Fido Solutions, Bell Mobility, Virgin