Chitika

Saturday, 12 November 2011

Apple i phone 4 reviews and specification












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General2G NetworkGSM 850 / 900 / 1800 / 1900
3G NetworkHSDPA 850 / 900 / 1900 / 2100
Announced2010, June
StatusAvailable. Released 2010, June
SizeDimensions115.2 x 58.6 x 9.3 mm
Weight137 g
DisplayTypeLED-backlit IPS TFT, capacitive touchscreen, 16M colors
Size640 x 960 pixels, 3.5 inches (~330 ppi pixel density)
- Scratch-resistant oleophobic surface- Multi-touch input method- Accelerometer sensor for auto-rotate- Three-axis gyro sensor- Proximity sensor for auto turn-off
SoundAlert typesVibration, MP3 ringtones
LoudspeakerYes
3.5mm jackYes
MemoryPhonebookPractically unlimited entries and fields, Photocall
Call records100 received, dialed and missed calls
Internal16/32 GB storage, 512 MB RAM
Card slotNo
DataGPRSClass 10 (4+1/3+2 slots), 32 - 48 kbps
EDGEClass 10, 236.8 kbps
3GHSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps
WLANWi-Fi 802.11 b/g/n, Wi-Fi hotspot
BluetoothYes, v2.1 with A2DP
Infrared portNo
USBYes, v2.0
CameraPrimary5 MP, 2592 x 1944 pixels, autofocus, LED flash,
FeaturesTouch focus, geo-tagging
VideoYes, 720p@30fps, LED video light, geo-tagging
SecondaryYes, videocalling over Wi-Fi only
FeaturesOSiOS 4, upgradable to iOS 5
CPU1 GHz ARM Cortex-A8 processor, PowerVR SGX535GPU, Apple A4 chipset
MessagingiMessage, SMS (threaded view), MMS, Email, Push Email
BrowserHTML (Safari)
RadioNo
GamesDownloadable, incl. motion-based
ColorsBlack, White
GPSYes, with A-GPS support
JavaNo
- MicroSIM card support only- Scratch-resistant glass back panel- Active noise cancellation with dedicated mic- iCloud cloud service- Twitter integration- Digital compass- Google Maps- Audio/video player and editor- Image editor- Voice command/dial- TV-out
BatteryStandard battery, Li-Po 1420mAh
Stand-byUp to 300 h (2G) / Up to 300 h (3G)
Talk timeUp to 14 h (2G) / Up to 7 h (3G)
Music playUp to 40 h

Few reviews from our user::

"A reliable, high-end"on November 5, 2011 by ebishop5

Pros: iOS5, 5 megapixel camera & flash, retina display, tons of useful apps, call quailty is admirable. Furthermore, I love the slim, expensive-looking design, and the user-interface is simple to use.
Cons: In need of more customization, battery drains out quickly.
Summary: The iPhone 4 8gb is simply amazing. It's the first high-end smartphone I've purchased and I have no plans on returning it.I wanted the 8gb because I don't listen to a large variety of music, so I figured it would be enough. Originally, I had the Huawei Ascend on Cricket wireless, which runs on Android 2.1. Unfortunately, I was disappointed with cricket's slow network, the amount of dropped calls, and the phone's constant lag. So, I ended up coughing over the extra amount it would cost to get Sprint's iPhone 4. I'm extremely pleased with this device; I haven't kept my hands off of it since. I'd recommend it to anyone who's looking for a reliable, fast smartphone.

"Solid if you don't need the latest and greatest."on November 3, 2011 ,by Esky25 

Pros: iOS5, great camera, slim and gorgeous, unlimited data (Sprint), retina display, tons of accessories available.
Cons: 8 GB is not much for music, video, and app lovers. No memory expansion option. Some might want a bigger screen. It won't talk back. No native turn by turn directions (must buy paid apps).
Summary: I've had previous iPhones and I just switched from an HTC EVO 4G. The EVO delivered plenty of Android goodness and Sprint wasn't shy about delivering the updates to the OS promptly but I missed the polish and stability of iOS. iOS wasn't perfect either but Android came with more bugs and required a bit more maintenance. Battery issues meant continuous app killing and carrying a spare battery. I pre-ordered my iPhone 4 and received it the same day that the iPhone 4S was released. It came pre-loaded with iOS 5 which saved me the hassle of updating. Aside from the Google Voice app issue that caused constant crashes, I haven't had much app related trouble. The fix worked and apparently, Sprint is Google Voice friendlier than the other carriers by allowing more of its functions. I'm probably in the minority by wanting a smaller than 4.3 inch screen. I found that one hand operation on that big of a screen was just a tad uncomfortable for me. The iPhone 4's 3.5 is fine although I wouldn't be opposed to a slight increase to 3.8 or maybe 4 inches. Not having a 4G radio isn't a big loss since I had coverage in very few places and I tended to keep it off anyway since it killed my battery considerably faster. It may not be the most advanced smartphone on the market but it covers all my needs and wants in a smartphone very well.
 

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