Siri Simply ask Siri to help you send messages, set reminders or search for information. It understands not only what you say but also what you mean, so you can speak naturally. It can even use information from your iPhone ? such as your location, contacts and contact relationships ? to provide intelligent, personal assistance. Siri may not be available in all languages or in all areas, and features may vary by area. Mobile data charges may apply. Dual-core A5 chip iPhone 4S is the fastest, most powerful iPhone yet. The A5 chip delivers up to 2x faster performance, so it?s quicker at launching apps, loading pages in Safari and taking photos. And with up to 7x faster graphics, gameplay is even more amazing. Compared with iPhone 4. Infinity Blade 2 is coming to the App Store this autumn. 8MP camera and HD recording With a custom lens and a new 8-megapixel sensor, iPhone 4S takes photos unlike any you?ve ever seen from a mobile device. You can also record 1080p HD video with image stabilisation. The world's most advanced mobile OS iOS 5 is not only advanced, it?s also incredibly easy to use. And with over 200 new features, including Notification Centre, Reminders and Twitter integration, iOS 5 makes iPhone even better. iCloud iCloud stores your music, photos, documents and more, and wirelessly pushes them to all your devices. Automatic, effortless and seamless ? it just works. iCloud is the easiest way to manage your content, because now you don?t have to. App Store Browse more than 500,000 apps on the App Store. You?ll find great apps for just about anything: games, social networking, travel, business, news, weather, sport and more. Search by category or check out the Top Paid and Top Free charts. Content sold separately. Available on iTunes. Title availability is subject to change. App count refers to the total number of apps worldwide.