VIGNESH: IPhone review, features, spec, etc..

While everyone else was busy trying to keep up with iPhone, we were busy creating amazing new features that make iPhone more powerful, easier to use, and more indispensable than ever. The result is iPhone 4. The biggest thing to happen to iPhone since iPhone.

People have been dreaming about video calling for decades. iPhone 4 makes it a reality. With just a tap, you can wave hello to your kids, share a smile from across the globe, or watch your best friend laugh at your stories — iPhone 4 to iPhone 4 over Wi-Fi. And it works right out of the box. No other phone makes staying in touch this much fun.
Learn more about FaceTime

Two cameras,
two views.

iPhone 4 has two cameras: One on the front, which focuses on you. And one on the back, which focuses on everything else. FaceTime lets you switch back and forth between them at any time during a video call. All you have to do is tap a button.

The Retina display on iPhone 4 is the sharpest, most vibrant, highest-resolution phone screen ever, with four times the pixel count of previous iPhone models. In fact, the pixel density is so high that the human eye is unable to distinguish individual pixels. Which makes text amazingly crisp and images stunningly sharp.

Learn more about the Retina display

iPhone 4 introduces a whole new way of multitasking. Now you can run your favorite third-party apps — and switch between them instantly — without slowing down the performance of the foreground app or draining the battery unnecessarily.¹ This smarter approach to multitasking is available only on iPhone.
Learn more about multitasking

Shoot your own movies in high definition. Capture impressive video even in low-light settings, thanks to the advanced backside illumination sensor and built-in LED light. Then edit and create your own mini-masterpiece right on iPhone 4 using the new iMovie app — with Apple-designed themes, titles, and transitions. It’s available on the App Store for $4.99.
Learn more about HD video recording
Learn more about video editing with iMovie

iPhone 4 is the always-with-you HD video camera.

iMovie lets you make polished movies right on iPhone 4.

Take beautiful, detailed photos with the new 5-megapixel camera with built-in LED flash. The advanced backside illumination sensor captures great pictures even in low light. And the new front-facing camera makes it easy to take self-portraits.
Learn more about the camera

When creating iPhone 4, Apple designers and engineers didn’t start with a clean sheet of paper. They started with three years of experience designing and building the phones that redefined what a phone can do. iPhone 4 is the result of everything they’ve learned so far. And it’s all contained in a beautiful enclosure a mere 9.3 millimeters thin, making iPhone 4 the world’s thinnest smartphone.

All the breakthrough technology in iPhone 4 is situated between two glossy panels of aluminosilicate glass — the same type of glass used in the windshields of helicopters and high-speed trains. Chemically strengthened to be 20 times stiffer and 30 times harder than plastic, the glass is ultradurable and more scratch resistant than ever. It’s also recyclable.

The 960-by-640 backlit LCD display boasts a pixel density of 326 pixels per inch, making it the highest-resolution phone screen ever. To achieve this, Apple engineers developed pixels so small — a mere 78 micrometers across — that the human eye can’t distinguish individual pixels. That makes text remarkably sharp and graphics incredibly vivid. IPS technology also provides excellent color and contrast from almost any viewing angle.

Created from our own alloy, then forged to be five times stronger than standard steel, the CNC-machined band is the mounting point for all the components of iPhone 4. The band provides impressive structural rigidity and allows for its incredibly thin, refined design. It also functions as both iPhone 4 antennas.

Apple engineers designed the A4 chip to be a remarkably powerful yet remarkably power-efficient mobile processor. With it, iPhone 4 can easily perform complex jobs such as multitasking, editing video, and placing FaceTime calls. All while maximizing battery life.

iPhone 4 includes a built-in three-axis gyroscope. When paired with the accelerometer, it makes iPhone 4 capable of advanced motion sensing such as user acceleration, full 3D attitude, and rotation rate. Translation: More motion gestures and greater precision for an even better gaming experience.

The iPhone 4 camera shoots gorgeous 5-megapixel photos and stunning HD video. And with its advanced backside illumination sensor, it captures beautiful images even in low-light settings. The built-in LED flash does double duty. When you’re taking pictures, it works as a flash. When you’re shooting video it can stay on to light up the scene. And on the front of iPhone 4, the built-in camera is perfect for making FaceTime calls and shooting self-portraits.

While most phones have only one microphone, iPhone 4 has two. The main mic, located on the bottom next to the dock connector, is for phone calls, voice commands, and memos. The second mic, built into the top near the headphone jack, is for FaceTime calls and for making your phone calls better. It works with the main mic to suppress unwanted and distracting background sounds, such as music and loud conversations. This dual-mic noise suppression helps make every conversation a quiet one.

With its large Multi-Touch display and innovative software, iPhone lets you control everything using just your fingers. How does it work? A panel laminated on the glass senses your touch using electrical fields. It can register multiple touches at once to support advanced gestures such as pinch to zoom, two-finger tap, and more. The panel then transmits the information to the Retina display below it.

With its easy-to-use interface, amazing features, and rock-solid stability, iOS — Apple’s mobile operating system — is the foundation of iPhone. And even as other phones try to catch up, the technologies and features built into iOS 4 keep it years ahead of the competition.

Elegant and intuitive interface.

The first time you pick up an iPhone, you know how to use it. That’s because the revolutionary Multi-Touch interface in iOS was designed for the most natural pointing device ever: your finger. So whether you’re using one of the built-in apps or one of the over 200,000 apps and games available from the App Store, you control everything with a tap, drag, swipe, pinch, flick, or twist of your fingers. Even tasks that might seem complicated — such as starting a FaceTime call or editing a video with iMovie — are simple, easy, and fun.

Hundreds of amazing features.

The features included with iOS 4 make iPhone powerful, innovative, and a pleasure to use. Here are just a few. Visit the Features page for more

Multitasking

iOS 4 introduces a whole new way of multitasking. Now you can run your favorite third-party apps — and switch between them instantly — without slowing down the performance of the foreground app or draining the battery unnecessarily.* This smarter approach to multitasking is available only in iOS 4. Learn more about multitasking

Folders

Folders are the best way to keep your apps organized and easily accessible. To create a folder, you simply touch and hold an app until it wiggles, then drag it on top of another. iOS 4 automatically assigns a name to your folder based on the category of the apps inside it, or you can choose your own name. To access your apps, just tap the folder to bring up its contents, then tap the app to open it. Simple. Learn more about folders

FaceTime

iOS 4 and iPhone 4 together make video calling a reality. With just a tap, you can see your friends and family while you talk to them — iPhone 4 to iPhone 4 over Wi-Fi. It works right out of the box, with no setup or special accounts needed. FaceTime is just another way iOS 4 seamlessly integrates hardware and software to make every iPhone feature as easy to use as it is groundbreaking. Learn more about FaceTime

The world’s largest app platform.

With over 200,000 apps in practically every category, iOS 4 is the platform for the world’s largest collection of mobile apps. Apple gives third-party developers a rich set of tools and APIs, and they’ve been creating apps and games that redefine what a mobile device can do. Where to find these apps? Just browse the App Store from your iPhone and download them with a tap.

Performance and stability that lead the industry.

iOS 4 is a desktop-class OS that’s been reinvented for mobile devices. Because it’s based on the world’s most advanced computer operating system — Mac OS X — performance in iOS 4 is fast and stability is rock-solid. iOS 4 manages power efficiently and delivers the best possible battery life. And multitasking — using multiple apps at the same time — in iOS 4 doesn’t slow down the performance of the foreground app or drain the battery unnecessarily.*

Hardware and software made for each other.

Because Apple makes both the iPhone hardware and the operating system, everything works together seamlessly and intelligently. This integration enables apps to take full advantage of iPhone hardware features such as the Retina display, the Multi-Touch interface, the accelerometer, the three-axis gyro, GPS, accelerated graphics, and more. FaceTime is a perfect example. It uses both iPhone 4 cameras, the display, one of the two microphones, and your Wi-Fi connection. If you’re on a voice call with someone and want to start a video call, FaceTime switches mics, turns on the front camera, and verifies your Wi-Fi connection — quickly and invisibly.

Safe and secure by design.

iOS 4 is highly secure from the moment you turn on your iPhone. All apps run in a safe environment, so a website or app can’t access data from other apps. iOS 4 supports encrypted network communication to protect your sensitive information. Optional parental controls let you manage iTunes purchases, Internet browsing, and access to explicit material. To guard your privacy, apps requesting location information must get your permission first. You can set a passcode lock to prevent unauthorized access to your phone and configure iPhone to delete all your data after too many unsuccessful passcode attempts. And in the event your iPhone is lost or stolen, a MobileMe membership allows you to find your iPhone on a map and remotely delete all data. If you get it back, you can restore everything from your last backup.

Ready for business.

Businesses around the world are choosing iPhone for its enterprise-ready features and powerful security. iOS 4 works with Microsoft Exchange and standards-based servers to deliver over-the-air push email, calendar, and contacts. iOS 4 protects your data by encrypting information in three separate areas: in transmission, at rest on the device, and when backed up to iTunes. You can securely access private corporate networks through industry-standard VPN protocols. And companies can easily deploy iPhone across an enterprise using configuration profiles.

Accessible by everyone.

iOS 4 comes standard with a wide range of accessibility features that help people with disabilities experience everything iPhone has to offer. For example, the built-in VoiceOver screen-reading technology allows those who are blind or have low vision to hear a description of the item they’re touching on the screen. iOS 4 also offers out-of-the-box support for over 30 wireless braille displays and many other accessibility features, such as dynamic screen magnification, playback of closed-captioned video, white on black text, and more.

Works the world over.

iPhone and iOS 4 are made to be used around the world. The user interface is localized into 34 languages, and you can easily switch between them. Because the keyboard is software-based, you can select from over 40 different layouts with support for language-specific features including diacritic marks on characters, handwritten input for Chinese, and contextual character options for Japanese. In addition, the built-in dictionaries support 37 language and dialects, VoiceOver reads screens in 21 languages, and Voice Control understands 24 languages.

Free iOS Updates

Your iPhone gets better with every iOS update, which is free for all iPhone owners. Right now, iOS 4 is available for iPhone 3G and iPhone 3GS. Just connect your iPhone to your Mac or PC, open iTunes, and follow the instructions to download the update.

Phone 4 Technical Specifications

Size and weight¹

Height: 4.5 inches (115.2 mm)
Width: 2.31 inches (58.6 mm)
Depth: 0.37 inch (9.3 mm)
Weight: 4.8 ounces (137 grams)

Cellular and wireless

UMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz)
GSM/EDGE (850, 900, 1800, 1900 MHz)
802.11b/g/n Wi-Fi (802.11n 2.4GHz only)
Bluetooth 2.1 + EDR wireless technology

Location

Assisted GPS
Digital compass
Wi-Fi
Cellular

Power and battery²

Built-in rechargeable lithium-ion battery
Charging via USB to computer system or power adapter
Talk time:

Up to 7 hours on 3G
Up to 14 hours on 2G

Standby time: Up to 300 hours

Internet use:

Up to 6 hours on 3G
Up to 10 hours on Wi-Fi

Video playback: Up to 10 hours

Audio playback: Up to 40 hours

Mac system requirements

Mac computer with USB 2.0 port
Mac OS X v10.5.8 or later
iTunes 9.2 or later (free download from www.itunes.com/download)
iTunes Store account
Internet access

Windows system requirements

PC with USB 2.0 port
Windows 7; Windows Vista; or Windows XP Home or Professional with Service Pack 3 or later
iTunes 9.2 or later (free download from www.itunes.com/download)
iTunes Store account
Internet access

Environmental requirements

Operating temperature: 32° to 95° F
(0° to 35° C)
Nonoperating temperature: -4° to 113° F
(-20° to 45° C)
Relative humidity: 5% to 95% noncondensing
Maximum operating altitude: 10,000 feet (3000 m)

Capacity³

16GB or 32GB flash drive

Color

White or black

Display

Retina display
3.5-inch (diagonal) widescreen Multi-Touch display
960-by-640-pixel resolution at 326 ppi
800:1 contrast ratio (typical)
500 cd/m2 max brightness (typical)
Fingerprint-resistant oleophobic coating on front and back
Support for display of multiple languages and characters simultaneously

Audio playback

Frequency response: 20Hz to 20,000Hz
Audio formats supported: AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), HE-AAC, MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV
User-configurable maximum volume limit

TV and video

Video formats supported: H.264 video up to 720p, 30 frames per second, Main Profile level 3.1 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; MPEG-4 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format
Support for 1024 by 768 pixels with Dock Connector to VGA Adapter; 576p and 480p with Apple Component AV Cable; 576i and 480i with Apple Composite AV Cable (cables sold separately)

Languages

Language support for English (U.S.), English (UK), French (France), German, Traditional Chinese, Simplified Chinese, Dutch, Italian, Spanish, Portuguese (Brazil), Portuguese (Portugal), Danish, Swedish, Finnish, Norwegian, Korean, Japanese, Russian, Polish, Turkish, Ukrainian, Hungarian, Arabic, Thai, Czech, Greek, Hebrew, Indonesian, Malay, Romanian, Slovak, Croatian, Catalan, and Vietnamese
Keyboard support for English (U.S.), English (UK), French (France), French (Canadian), French (Switzerland), German, Traditional Chinese (Handwriting, Pinyin, Zhuyin, Cangjie, Wubihua), Simplified Chinese (Handwriting, Pinyin, Wubihua), Dutch, Italian, Spanish, Portuguese (Brazil), Portuguese (Portugal), Danish, Swedish, Finnish, Norwegian, Korean, Japanese (Romaji), Japanese (Kana), Russian, Polish, Turkish, Ukrainian, Estonian, Hungarian, Icelandic, Lithuanian, Latvian, Flemish, Arabic, Thai, Czech, Greek, Hebrew, Indonesian, Malay, Romanian, Slovak, Croatian, Bulgarian, Serbian (Cyrillic/Latin), Catalan, and Vietnamese
Dictionary support (enables predictive text and autocorrect) for English (U.S.), English (UK), French, German, Traditional Chinese, Simplified Chinese, Dutch, Italian, Spanish, Portuguese (Brazil), Portuguese (Portugal), Danish, Swedish, Finnish, Norwegian, Korean, Japanese (Romaji), Japanese (Kana), Russian, Polish, Turkish, Ukrainian, Hungarian, Lithuanian, Flemish, Arabic, Thai, Czech, Greek, Hebrew, Indonesian, Malaysian, Romanian, Slovak, Croatian, Catalan, and Vietnamese

Camera, photos, and video

Video recording, HD (720p) up to 30 frames per second with audio
5-megapixel still camera
VGA-quality photos and video at up to 30 frames per second with the front camera
Tap to focus video or still images
LED flash
Photo and video geotagging

External buttons and controls

Sleep/wake
Ring/silent
Volume up/down
Home

Sensors

Three-axis gyro
Accelerometer
Proximity sensor
Ambient light sensor

Connectors and input/output

30-pin dock connector
3.5-mm stereo headphone minijack
Built-in speaker
Microphone
Micro-SIM card tray

Headphones

Apple Earphones with Remote and Mic
Frequency response: 20Hz to 20,000Hz
Impedance: 32 ohms

Rating for Hearing Aids⁴

3G network - 850/1900MHz: M4, T4
2G network - 850MHz: M3, T3
2G network - 1900MHz: M2, T3

In the box

iPhone 4
Apple Earphones with Remote and Mic
Dock Connector to USB Cable
USB Power Adapter
Documentation

Environmental Status Report

iPhone 4 embodies Apple’s continuing environmental progress. It is designed with the following features to reduce environmental impact:

PVC-free handset
PVC-free headphones
PVC-free USB cable
Bromine-free printed circuit boards
Mercury-free LCD display
Arsenic-free display glass
Majority of packaging made from post-consumer recycled fiberboard and biobased materials
Power adapter outperforms strictest global energy efficiency standards

Mail attachment support

Viewable document types: .jpg, .tiff, .gif (images); .doc and .docx (Microsoft Word); .htm and .html (web pages); .key (Keynote); .numbers (Numbers); .pages (Pages); .pdf (Preview and Adobe Acrobat); .ppt and .pptx (Microsoft PowerPoint); .txt (text); .rtf (rich text format); .vcf (contact information); .xls and .xlsx (Microsoft Excel)

Bumpers for iPhone 4

Dress up your iPhone 4 with a Bumper. Choose one of six colors — white, black, blue, green, orange, or pink — and slip it around the edge of your iPhone 4. With metal buttons for volume and power, two-tone colors, and a combination of rubber and molded plastic, Bumpers add a touch of style to any iPhone 4.