iPhone 4 Review

iPhone 4, the other thing that changes is laying on the side of the antenna design. In the previous iPhone, the antenna is placed at the back of the phone, while now placed on the left side. Many believe this was the cause of the problem at the time of the phone. Where are all of a sudden the signal reception quality will drop or unstable.

Apple calls the new screen with a retinal display. The point does the size of the screen that was taken, the screen resolution that reaches 960 x 640 pixels 3.5 inches in the field of so-called equivalent to a maximum resolution of our retinas. We can not really , but certainly the phone screen is very bright and able to display properly.

This  iPhone 4 trail iPad3G . using a SIM card-sized mini. Some operators reported to have provided the SIM card is a micro size, but if you force yourself to use the old card, you can cut it manually with the tools already available in the market. The problem is, you can not use it again on a mobile phone.



Networks: UMTS / HSDPA / HSUPA (850, 900, 1900, 2100 MHz), GSM / EDGE (850, 900, 1800, 1900 MHz) Dimensions: 115.2 x 58.6 x 9.3 mm; Weight: 137 grams; Screen: 3.5 inches multitouch, retinal display, 960 x 640 pixels, 326 ppi, 800:1 contrast ratio; Data Transfer: HSDPA, EDGE 10, GPRS 10; Main Camera: 5 MP, autofocus, Geo-Tagging, HD video (720p) recorder; Cameras Addendum: Yes, for FaceTime; Memory: Flash 16 GB and 32 GB; Connectivity: WiFi 801.11 b / g / n, Bluetooth 2.1 A2DP, 3.5 mm audio, GPS, CPU: ARM-based A4 cortex 8 Operating System: Apple IOS 4; Bttery: Li-Po 1420 mAh, Mobile phones, USB cable, charger, stereo headset 

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