The pricing will be based on the capacity at $200, $300, $400 respectively. You will have to sign a 2-year contract with the purchase of your new phone.
The iPhone 4S comes packed with a dual core processor, an 8 megapixel camera and the Siri voice assistant. While retaining the same outer appearance of the Apple iPhone 4. The iPhone 4S boasts to be seven times faster than the previous iPhone, and is the fastest smartphone available to date.