Apple announced iPhone 4S, the most amazing iPhone packed with incredible new features. It was unveiled by Apple CEO Tim Cook on 4th October in California.

It features a faster dual-core A5 processor, 1 gigabyte of RAM and a new camera with more advanced capabilities. iPhone also introduces Siri, a voice-controlled feature that serves as an intelligent “personal assistant”. Siri helps you make calls, send text messages or email, schedule meetings and reminders, make notes, search the Internet, find local businesses, get directions and more. You can also get answers, find facts and even perform complex calculations just by asking.

iPhone 4S comes with iOS 5, the world’s most advanced mobile operating system, which includes over 200 new features including Notification Center, an innovative way to easily view and manage notifications in one place. iMessage, a new messaging service that lets you easily send text messages, photos and videos between all iOS 5 users. iPhone 4 and iPhone 3GS can ipgrade to iOS 5 will also be available as a free software update for  customers allowing them to experience these amazing new features.

The new 8-megapixel camera with advanced optics gives sharper images. New photos can be shared instantly via built-in Twitter and iMessage. The new iPhone also allows video recording in full 1080p HD resolution, the highest standard available.

Pre-orders for the iPhone 4S begins from October 7, and it will be available in the US, Canada, Australia, the UK, France, Germany and Japan. The 16GB iPhone 4S will be cost $199, while the 32GB and 64GB variant will cost $299 and $399 respectively.