Wednesday, May 18, 2011

iPhone 4

iPhone 4 has been officially released in the event Apple WorldWide Developers Conference (WWDC) 2010 in San Francisco Tuesday yesterday. Let us review the iPhone 4 which was sensational.

Apple's iPhone was first sold in 2007. The first generation iPhone on sale on June 29, 2007 at a price of U.S. $ 499 for 4GB model and U.S. $ 599 for the 8GB model. The second generation iPhone 3G is named and launched in various countries on July 11, 2008 for U.S. $ 199 for the 8GB model and $ 299 for the 16GB model. Third generation or 3G iPhone, launched on June 17, 2009, at a price of U.S. $ 199 for 16GB model and $ 299 for 32GB model.

So what's new iPhone compared to the previous iPhone's 4?

First, let's surgical outer shape. Fourth-generation smart phone from Apple is thinner than the previous iPhone form that is 0.38 inch 0.5 inch while the previous iPhone. Batteries last up to 7 hours in an active condition, the difference of two hours of battery life before the iPhone version.

According to Jobs, the iPhone battery 4 resistant to various activities, such as talk for seven hours in the 3G, 3G browsing for 6 hours, browsing the WiFi for 10 hours, 10 hours of video, music 40 hours and 300 hours standby. Despite the wide screen is the same as the previous iPhone, but the resolution of the iPhone 4, four times better than previous generations.

Bodi iPhone 4 wrapped glass and stainless steel panels on the front and rear, and insert the antenna which surrounds the entire body of iPhone. The phone may not have been smart if not embedded camera. In the iPhone 4, Apple buried 5 Megapixel camera complete with LED flash and can record and edit high-definition photo.

If earlier the iPhone operating system is a lightweight version of Mac OS X without the various components that are not needed. The operating system used in the iPhone 4 is ios 4 and not much difference with the previous operating system. What is truly different is the processor that gives Apple A4 high speed. For features that are available, some new features in the iPhone, including multitasking, iBooks, advertising and video chat.

4 Specifications


* Color: Black or White
* Height: 4.5 inches
* Width: 2.31 inches
* Thin: 0.37 inches
* Weight: 137 grams


* 16GB or 32 GB


* Retina Display
* 3.5-inch (diagonal) widescreen Multi-Touch display
* Resolution 960 x 640 pixels, with 326 ppi
* Contrast ratio 800:1
* Fingerprint-resistant oleophobic coating on the front and rear
* Supports multiple languages ​​and characters simultaneously

Camera, Photo, Video:

* Footage HD (720p) up to 30 fps
* 5MP Camera
* VGA front camera with 30 fps
* LED flash
* Geotagging feature on the photo and video


* Frequency response: 20Hz to 20,000 Hz
* Audio Format: 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

TV and Video:

* Video Format: H.264 video up to 720p, 30 frames per second, the 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, 30frames 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, 30frames per second, audio in ulaw, PCM stereo audio in. avi file format
* Supports resolution of 1024 × 768 pixels, with a dock connector to VGA for 576p and 480p.

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)
* Bluetooth 2.1 + EDR wireless technology

Location Features:

* Digital Compass
* Wi-Fi

Batteries and Power:

* Lithium-ion batteries that can be in charge
* Power USB via PC / Mac
* Talk time up to 7 hours (3G), up to 14 hours (2G)
* Standby time: 300 hours
* Use of the Internet up to 6 hours (3G), up to 10 hours (WiFi)
* Video Recording: up to 10 hours
* Record Audio: up to 40 hours


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