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  1. #1
    Super Moderator pece1976's Avatar
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    Default Recovery Mode and DFU Mode

    Recovery Mode : Recovery Mode is a state of iBoot that is used during standard upgrades and restores. As iBoot is active, it does not allow you to downgrade your device’s software. Also, unless it is ‘pwned,’ it will not allow custom firmware to be flashed.

    DFU Mode : DFU Mode is a special mode where the device can still interface with iTunes, yet it does not load the iBoot. The screen will appear totally black in DFU mode, so you can’t guess whether the device is in DFU or powered down from simply looking at the screen. Because iBoot and the OS are not loaded this exploit makes us able to downgrade your iPhone firmware or upgrade with a custom firmware created by Pwnage tool.

    How to put your iPhone in recovery mode :

    1.Turn the device completely off and disconnect it from cable/dock.
    2.Hold down the home button.
    3.While holding down the home button connect to a computer with a cable (easiest) or dock.
    4.Keep holding down the home button until you see a connect-to-itunes screen You are now in recovery mode.

    To escape Recovery Mode and power the phone off simply hold down power and home buttons for ten seconds.

    How to put your iPhone in DFU mode :

    1.Connect your iPhone to your computer.
    2.Turn iPhone off.
    3.Hold power and home together for 10 seconds (exactly).
    4.Release power but keep holding home until the computers beeps (observed on a PC) as a USB device is recognized.
    5.A few seconds later iTunes should detect your iPhone.
    6.If the Restore Logo is present on the screen, you are in Recovery Mode, not DFU

    You can get out of DFU mode by holding down the home button and the power button for about 10 seconds. If your phone is connected to your computer you'll hear a beep as when a USB device is disconnected. Then just press the power button and your phone will start up as usual.

  2. #2
    Senior Member Lelouchx's Avatar
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    Default Re: Recovery Mode and DFU Mode

    I did the process,iTunes detect it trying to connect to software update server but the phone is not shown inside iTunes and it also cannot connect to the server
    I tried the first process here but no luck http://support.apple.com/kb/TS1814
    and didn't understand the second process(Additional Information) at all..
    Doesn't support codes


 

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