Introducing the iPhone 4S… with a dual-core A5 chip, all new 8MP camera and optics, iOS 5 and iCloud, plus interactive assistant 'Siri', Apple are confident that the 4S is the most amazing iPhone yet. Available from day one in either black or white, the iPhone 4S will be available in 16GB, 32GB and 64GB versions. Though the physical design remains consistent with that of the iPhone 4, the real improvements in the iPhone 4S have been made on the inside…

Siri: - the intelligent assistant
Siri lets you use your voice to send messages, schedule meetings, make phone calls and more. You can ask Siri to do things just by talking naturally, Siri understands what you say, knows what you mean, helps you do the things you do everyday, and even talks back. Ask a question and Siri works out the right apps to use to find the right answer. For example…

• Ask for a reminder: You can say "Remind me to call dad when I get home" and Siri sets a reminder for you.
  
• Ask to send a text: Say something like,"Tell Louise I'm early." And Siri writes and sends the text.
  
• Ask to set a meeting: You can tell Siri "Meet Doug for lunch at 2.30pm", and Siri puts it on your calendar.

Dual-core A5 chip
Described as the most powerful iPhone processor ever, the two cores in the A5 chip deliver up to two times more power and up to seven times faster graphics. iPhone 4S is quick and responsive, which makes all the difference when you're launching apps, browsing the web or gaming. The A5 chip is power-efficient too, allowing the iPhone 4S to boast outstanding battery life.

• Performance:The dual-core A5 chip delivers up to two times more processing power, which makes iPhone 4S even more responsive. Pages load quicker, gameplay is better and everything just feels faster.
  
• Battery: The power-efficient A5 chip and iOS 5 deliver outstanding battery life, so you can keep making calls, checking email and browsing the web.
  
• Graphics: iPhone 4S is great for gamers. The A5 chip pushes graphics up to seven times faster. So games run smoother and they're even more realistic. Graphics-intensive apps perform even better too.

8MP camera
With 8-megapixel resolution and a custom lens with a larger f/2.4 aperture, the new camera has an impressive spec. Add to this an improved backside illumination sensor, excellent auto white balance, advanced colour accuracy, face detection and reduced motion blur and you have a camera that enables great quality pixel for pixel prints up to 20 x 25cm.

• 8 megapixels:The iPhone 4S camera gives you 8 megapixels - 60 per cent more pixels than the camera on iPhone 4. And they're engineered with a higher, full-well capacity to collect even more light, resulting in improved resolution and detail in images.
  
• All-new optics: The custom lens uses five precision elements to shape incoming light, which makes the entire image sharper. The larger f/2.4 aperture lets in more light, so photos look brighter, whilst the hybrid infrared filter keeps out harmful IR light for more accurate colours.
  
• Editing: Touch up photos on your iPhone - without the help of photo editing software on a computer. You can crop and rotate photos, enhance the overall image and even remove red-eye.

1080p HD video recording
The iPhone 4S camera has been completely redesigned on the inside - the all-new optics mean the light is always right and the colour is always vivid. Video stabilisation steadies shaky shots and you can edit video directly on iPhone and share your movies as fast as you shoot.

• 1080p HD video:Record 1080p HD video at an incredible 30 frames per second. The advanced backside illumination sensor and larger aperture let in more light, improved auto white balance makes colours more accurate, and temporal noise reduction helps you take videos in low light.
  
• Video stabilisation: Video stabilisation removes unwanted motion caused by unsteady hands. And if you're recording a scene with subjects in both the foreground and the background, the camera focuses where you want with a tap.
• Editing:It's easy to edit your HD video on iPhone. Just drag to select start and end points on a filmstrip to trim your clips. Or make a mini- blockbuster in iMovie with Apple-designed themes, titles, transitions, and even a soundtrack.

iOS 5
Apple claim iOS to be the most advanced and easy to use mobile operating system. iOS 5 lies at the heart of the new iPhone 4S and delivers over 200 new features on the phone, including:

• Notification centre:one place to see what's new. Preview your latest texts, email messages, reminders, friend requests and more.
• iMessage:Send unlimited messages to any iPhone, iPad or Pod touch running i0S 5.
• Twitter integration: Sign in once under Settings and tweet directly from Safari, Photos, Camera, YouTube and Maps
• Reminders: Create lists of things to do, complete with deadlines and locations, that you can tick off as you go.
  
• Photos: Crop, rotate, enhance and remove red-eye from your photos all on your iPhone.
  
• Camera access: Access the Camera app straight from the Lock screen. Just press the volume-up button, point and shoot.
  
• Newstand:Access all your newspaper and magazine apps here and even subscribe to something new.
  
• Safari: Displays web articles without ads or clutter - and the Reading List lets you save article links to review later.
  
• PC Free: You can activate and set up your iPhone wirelessly, straight out of the box, removing the need for a Mac or PC.

iCloud
iCloud stores your music, photos, apps, mail, contacts, calendars, documents and more, and wirelessly pushes them to all your devices. It's automatic, simple and seamless, making it easy for you to manage all these elements.

• iTunes:With iCloud, the music you buy in iTunes appears automatically on all your devices - you can also download your past iTunes purchases.
  
• Photo Stream: You can take a photo on one iOS device and it automatically appears on all your other devices, including your Mac or PC.
  
• Documents: iCloud can automatically keep your presentations, reports and other documents up to date across all your devices. Even when you update them, they're updated in the cloud automatically

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