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  • [Windows] How to Jailbreak iPhone 3G Firmware 3.0 with RedSn0w
    This guide will teach you how to Jailbreak your iPhone 3G running 3.0 firmware using RedSn0w on Windows. You can unlock your iPhone 3G AFTER following this guide by using UltraSn0w. Directions on that are here. Anyways, lets continue.

    I strongly recommend you backup and restore your iPhone 3G to 3.0 firmware via iTunes BEFORE you begin this guide. By strongly recommend I mean restore to 3.0 firmware.

    You will need RedSn0w 0.7.2 which you can download here along with the iPhone 3G 3.0 firmware file available for download here.

    Once you have downloaded everything, extract redsn0w-win_0.7.2.zip to a location on your computer. You should see redsn0w.exe. Run it.

    Click Browse.



    Browse to where ever you downloaded your iPhone 3G 3.0 firmware .ispw, select it, and click Open.



    RedSn0w tells you that the ISPW has been successfully identified. Click next.



    You'll see a little window that says patching kernal for a second.



    Select Install Cydia and click Next.



    Plug in your iPhone 3G and turn it off. Once it is off click Next.



    RedSn0w gives you instructions. We are entering DFU mode now. First hold the power button for 3 seconds.



    Keep holding the power button and start holding the home button for 10 seconds.



    Release the power button but continue holding the home button for 30 seconds.



    RedSn0w does its thing. Let it.









    Finally RedSn0w has finished loading everything onto your phone. You will see a pretty screen on your phone as it is being Jailbroken. Don't mess with your phone will all this is going on. After your phone restarts you are done!

    This article was originally published in forum thread: [Windows] How to Jailbreak iPhone 3G Firmware 3.0 with RedSn0w started by Cody Overcash View original post
    Comments 732 Comments
    1. confucious's Avatar
      confucious -
      It is 12:30 am, I am very drunk and re read what I posted 3 times before I even spotted my error - and that was when I was looking for it.
      Maybe I should go to sleep now...
    1. angiepangie's Avatar
      angiepangie -
      Haha. Nighty night
    1. Melech518's Avatar
      Melech518 -
      You received all the help you need...now search google
    1. shdrbl's Avatar
      shdrbl -
      hello everyone..i have got one iphopne 3g with fw 3.0 just day before yesterday..i hav my 2g and its working celent till now.thank u guys for ur help...but now i m in trouble with this 3g....i tried all the steps with redsnow 0.7.2 it shows everything is working out perfectly bt after restart the ph doesnt unlocked or jailbreaked...now what to do?i tried several times.the ph fw is iphone1,2_3.0_7A341.ipsw..plz someone help...
    1. harig's Avatar
      harig -
      hello ppl nned help! i have followed the instructions given to jailbreak my iphone 3g which runs on firmware 2.1....

      i wish top install 3.0 and jailbreak it! So i followed the instructions given, but once the jailbreaking screen on my iphone( the one with the hard disk and the arrow), instead of the pineapple picture appearing, i got this the iphone dku cable pointing arrow towards the itunes...

      and i did not know what to do... i just left as it is, and the phone switched off... so when i restarted, the same picture with the cable and i-tunes appeared...

      so guys please help me out....
      now i am restoring my iphone via itunes...
      hope this helps
    1. confucious's Avatar
      confucious -
      I've just woken up and seen this. The screen you had is the restore screen.
      What have you done so far and where are you at now?
    1. anu0512's Avatar
      anu0512 -
      i have done all steps which is mention over here but i just redsnow0.8 version to jailbreak and unlock with ultrasnow v0.91 but my signal is not coming.
    1. Dragon RR's Avatar
      Dragon RR -
      ^^ someone may have something easier to try but perhaps the version of the os you downloaded has a flaw in it. might be worth downloading the ispw from a different site and re-jailbreaking it
    1. dbrown1177's Avatar
      dbrown1177 -
      I have up graded to 3.1 can i down grade to 3.0 firmware
    1. angiepangie's Avatar
      angiepangie -
      What phone?
    1. rberube's Avatar
      rberube -
      I am also having a problem after jailbreaking using redsn0w to fw 3.0. I have previously done this process successfully and had no problems until I downloaded some app from rock Apps. For the record I loved Rock Apps but now I'm not so sure. I can't remember exactly what app it was that caused my problem but what happened was my 3G got in an endless loop of restarting. When it comes up its says something like Rock Apps cannot debug error...or something to that nature. Then reboots itself. This was an endless process.

      So I jailbroke it again with redsn0w and it looked good other than I now have no carrier, there is no logo and I can't dial out anymore. And Cydia is there but I cannot access it. Could I please get some help? Any suggestions before I try to restore again?
    1. angiepangie's Avatar
      angiepangie -
      What network?
    1. rberube's Avatar
      rberube -
      I'm on AT&T network.

      I did get my carrier back after installing Apple's new 3.1.2 fw. I will now attempt to jb my 3G using the brand new blackra1n.

      I got my carrier back after installing Apple's 3.1.2 fw and then blackra1n'd it. I already thanked geohot for their fast awesome blackra1n. I highly suggest it. Hope this helps someone.
    1. mrdavyjones's Avatar
      mrdavyjones -
      i jailbroke my iphone but itunes is still asking for this stupid sim card what to do ?!?
    1. angiepangie's Avatar
      angiepangie -
      Give it the sim card?
      What'd you use to jailbreak?
    1. mrdavyjones's Avatar
      mrdavyjones -
      i need to unlock it bc i have a t mobile sim card
      && i didnt have a sim card to begin with . . . was that bad ?
    1. angiepangie's Avatar
      angiepangie -
      What did you use to jailbreak?
    1. mrdavyjones's Avatar
      mrdavyjones -
      redsn0w 7.2
    1. angiepangie's Avatar
      angiepangie -
      Well that's strange. Try running redsn0w again.