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    What is the difference between 2G and 3G in a cell phone?

    allbestphones.com gives you the information you need to make a smart consuming decison. allbestphones.com delivers up-to-date 3g phone information, analysis, and comparisons catered to enthusiasts and consumers. Through 3g phone side-by-side comparison charts, news and articles allbestphones.com simplify the buying process for consumers.

    Difference between 2G, 3G, 3.5G and 4G

    Generation Speed Technology Features
    2G 9.6/14.4 kbps TDMA, CDMA 2G capabilities are achieved by allowing multiple users on a single channel via multiplexing. 2G enabled mobile phones can be used for data along with voice communication.
    3G 3.1 Mbps (peak)
    500-700 Kbps    		 CDMA 2000
    (1XRTT, EVDO)
    DMTS, DEGE    		 3G provides amazing internet browsing speeds. Opens the door to a whole bag of oppurtunities with video calling, video streaming, etc. In 3G, universal access and portability aross differenct device types are made possible
    3.5G 14.4 Mbps (peak)
    1-3 Mbps    		 HSPA 3.5G supports even higher speeds and enhances higher data needs
    4G 100-300 Mbps (peak)
    3-5 Mbps    		 WiMAX
    LTE    		 Speeds for 4G increased to lightening fast in order to keep up with data access demand used by various services. It also supports HD streaming. HD phones can be fully utilized on a 4G network.

    How to Unlock a 3G Phone

    • 1

      Connect the cable to the iPhone. Connect the other end of the iPhone cable to a universal serial bus (USB) port on the Mac or personal computer. Wait for the icon of the iPhone to appear on the desktop.

    • 2

      Launch the iTunes program that is included with a Mac and provided as a free download for personal computer users by double-clicking its icon inside of the "Applications" folder (Mac) or by selecting it from the "Start," "All Applications" pop-up menu.

    • 3

      Right-click on the icon of the iPhone in the left column of the iTunes program beneath the "Devices" tab. Select "Back Up" from the pop-up menu. Wait as a progress bar fills in from left to right at the top of the iTunes program.

    • 4

      Go to a free iPhone unlocking website, for example, the JailBreakMe website (see Resources). Follow the onscreen menus to configure the backup for the iPhone 3G. Press the "Jailbreak" button on the website to unlock the iPhone 3G.

    • 5

      Wait as the iPhone 3G downloads a series of programs and reboots itself a number of times. Disconnect the iPhone cable from the iPhone and from the Mac when a confirmation window on the website states that it is time to do so. Exit the iTunes program.


    Article Source: www.ehow.com