1. Iphone 4s By SiBingchen

2. Page  2 Introduction The iPhone 4S is a touchscreen slate smartphone developed by Apple Inc. It is the fifth generation of the iPhone, a device that combines the 3.5-inch (89 mm) iPod Touch with mobile phone capability.

3. Page  3 Design The iPhone 4S retains almost all of the same design features as its predecessor, the iPhone 4.The front and back are both flat, the screen being made of glass. There is a camera on the back and the sides are stainless steel with metal buttons. It keeps the 3.5 inch (8.89 cm) screen of past iPhones with the "home" button at the bottom.

4. Page  4 Hardware

5. Page  5 Antenna Apple has redesigned the antenna in the iPhone 4S, so that the cellular radio in the phone can alternate between two antennas, depending on which is sending/receiving the best signal.

6. Page  6 Camera The camera on the iPhone 4S can shoot 8 MP stills (3264 by 2448 pixels) and record 1080p videos at 30 frames per second with upgraded quality (30% better clarity, 26% better white balance, color accuracy) due to an additional lens, IR filter, a wider f/2.4 aperture, and Image signal processor (built-in A5).

7. Page  7 Input and output (I/O) Like the iPhone 4 the 3.5 inch 960 by 640 pixel Retina display supports multitouch, a technology that allows multiple simultaneous touch inputs. Siri, a voice control feature exclusive to the iPhone 4S, interprets voice commands and can give visual and auditory feedback.The iPhone 4S has two volume buttons and a ring/silent switch on the left side.

8. Page  8 Power and battery The iPhone 4S is stated to have 200 hours standby time (iPhone 4 300 hours), 8 hours talk time on 3G (iPhone 4-7 hours), 14 hours talk time on 2G, 6 hours 3G browsing, and 9 hours Wi-Fi browsing. Additionally, it can sustain up to 10 hours of video playback or 40 hours of audio playback.

9. Page  9 Processor, memory, and storage The iPhone 4S has a dual-core Apple A5 processor, compared to the one-core Apple A4 processor used in the iPhone 4. It has 512 MB of RAM, the same as its predecessor.

10. Page  10 Features

11. Page  11 Gaming Gaming on the iPhone 4S has been likened to the PlayStation Vita, that features the same SGX GPU only in a quad-core configuration, and the Nintendo 3DS handheld game consoles. Further, the iPhone 4S’ ability to process 30 million polygons per second.

12. Page  12 Siri The iPhone 4S introduced a new automated voice control system called "Siri", unique to the 4S, that allows the user to give the iPhone commands, which it can execute and respond to.

13. Page  13 Messaging On the iPhone 4S, texting can be done aided by the voice assistant which allows speech-to-text. In addition to regular texting, messaging on the iPhone 4S is supported by iMessage, a specialized instant messaging program and service that allows unlimited texting to other Apple iOS 5 products.

14. Page  14 Language At announcement plans were in place for the iPhone 4S to support many languages from around the world.

15. Page  15 Network The device is a world phone and can work on both GSM & CDMA networks. On a 2G (on GSM) network it supports up to 14 hours of talk time.

16. Page  16 Operating system

17. Page  17 Operating system iPhone 4S was announced with Apple’s iOS 5 operating system, which Apple claims as having over 200 new features compared to the prior version. On the 4S, the Apple A5 processor and iOS 5 work together to support many subsystems of the device, such as data processing for the camera.

18. Page  18 Accessories

19. Page  19 Bumper An iPhone 4/4S Bumper is a ring of rubber and plastic that surrounds the edge of the iPhone 4S. The inner part is synthetic rubber with the external band made of plastic.

20. Page  20 Conclusion The Apple change the world and make our life complete. Therefore, iphone is important creation in the world. That 's why we said apple change the world.