short reviews apple iphone 4

Apple iphone 4

First, let's surgical outer shape. Fourth-generation smart phone from Apple is thinner than the previous iPhone being 0.38 inches 0.5 inches while the previous iPhone. The battery lasts 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 hold for various activities, such as talking for seven hours in the 3G, for 6 hours of 3G browsing, WiFi browsing for 10 hours, 10 hours of video, music 40 hours and standby for 300 hours. 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 panels and stainless steel on the front and rear and insert the antenna around 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. That is really different is the A4 processor that delivers high-speed Apple. For features that are available, some new features in the iPhone, including multitasking, iBooks, advertising and video chat.
IPhone Specifications 4
Shape:
• Color: Black or White
• Height: 4.5 inches
• Width: 2.31 inches
• Thin: 0.37 inches
• Weight: 137 grams
The capacities of:
• 16GB or 32 GB
Display:
• 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
Cameras, Photo, Video:
• Record HD Video (720p) up to 30 fps
• 5MP Camera
• VGA front camera with 30 fps
• LED flash
• Geotagging feature on the photo and video
Audio:
• 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:
• A-GPS
• Digital Compass
• Wi-Fi
Batteries and Power:
• lithium-ion batteries that can be in charge
• Power via USB 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
source from mediatangsel

Best smart phone 2011

1.Apple iPhone 4

Apple Iphone 4

 Iphone appple always kept pace with the competition with a strong   base of applications, specifications, designs and features that hebat.Iphone 4g using high-quality screen is scratch resistant, durable and equipped with high-resolution screen.

2.Motorola Droid 2

Motorola Droid

Motorola Droid 2 has been a significant change from previous models in the series based on Android powered Droid.Telepon 1 GHz processor and has 8GB of internal memory along with 32GB of expandable memory. Droid 2 combines the sliding keyboard and 512MB RAM. But the minus point is the lack of quality front camera.

3.HTC HD7

HTC HD 7

HTC is an attractive phone combining Operating System Windows Mobile 7. With its impressive big-screen, user-friendly interface and touch screen is responsive, HD7 is a great phone that took him to the top of the competition.

4.Blackberry Bold 9780

Blackberry Bold 9780

Blackberry has made a lot of user friendly mobile phones and Blackberry Bold 9780 mobile phone is undoubtedly the most mengesankan.9780 runs on six new Blackberry OS and with 512 MB of RAM. Quality built an impressive and so is the Qwerty keyboard. What makes the navigation is also impressive.

5.Samsung Nexus S

Samsung Nexus S

Samsung Nexus is a phone that apply operating system Android.Samsung Nexus S comes with Android OS 2.3 (Gingerbread) and with 1 Ghz Processor hummingbirds.

6.Samsung Epic 4G

Samsung Epic 4G

It also has a 5 megapixel camera with LED flash and also includes a camera on the depan.Epic supports Sprint's 4G WiMAX 4G networks.