47 Responses to Unlock iPhone OS 4.0 Running on iPhone 3G with Ultrasn0w 0.92

  • bish says:

    Dude i have 05.12.01 baseband but my bootloader is 6.02!! Is it still possible to unlock?? Please reply me soon…

  • pauline says:

    will this work with an iphone that’s a 3.1.3 with a 05.12.01? I’m hesitant to try… My iPhone 3G has been a brick for 4months and I don’t want to prolong that :|

  • anal stache says:

    Does this work for 3GS?

  • SS says:

    I cannot believe you call it unlocking 4.0, while you guys know fuzzyband is still limited to bootloader 5.08 which is extremely rare.

    Unless fuzzyband is avaliable for 5.09 (or unltrasnow for current basebands)lets not think of these ridiculous steps as unlock for 3.1.3 or beyond. These solutions are posted everywhere but are certainly not helpful to most stuck users and hence very misleading.

    And what is the technical reason that fuzzyband cannot be updated for 5.09+?


  • Richard says:

    I have bootloader 5.8 and got curious, an unlock is not possible on iPhone OS 4.0, anyone wanting to try it should hold off, iPhone OS will not boot after ultrasn0w is installed and you must put the device into DFU mode and then restore it back. iPhone OS will boot after the baseband is downgraded though.

  • Ameer says:


    I don’t think it will work.

    anyone has tried to methodology and got succeded ?

    please share your real time experience.


  • Fafamon says:

    It is Not working for 5.09 uninstall it to get ur iphone working back

  • Radovich says:

    iOS 4 will be compatible with the following devices: iPhone 3G?iPhone 3GS?iPhone 4?iPod touch 2nd and 3rd-generation only?Also, not all features will be available across all devices. The following features are only available for iPhone 4, iPhone 3GS, and the 3rd-generation iPod touch: Multitasking?Custom wallpaper?Bluetooth keyboard support?
    iOS 4.0: Everything You Need to Know(details locates in ifunia iphone column)

  • willie says:

    i finally unlock my iphone 3gs with 3.1.3 firmware 05.12.01
    using ultrasn0w0.93 from cydia just like they said it works yesssss now im with t mobile on my iphone

    just install ultrasn0w and reboot thats all

  • Samer says:

    Hey all,for all users who have 3.1.3 firmware 5.12.01,you can all unlock your phones now.I did it and it works.First of all, you should jailbreak your iphone and have cydia on it then you can all go to the website:http://www.iclarified.com/entry/index.php?enid=4253

    and follow the steps in this website and then congratulations!!!!! it works with your own sim card.

  • anil bhatia says:

    Got my iphone 3g OS 4 unlocked/jailbroken.

    Steps peformed:–
    upgrade it to OS 4.0 (don’t worry you will be able to crack it)
    -download and run redsn0w_win_0.9.5b5-3
    -specify the path of the new firmware(original firmware from apple)
    -Have patience and let it install and wipe the old firmware.
    -Once rebooted, Install cydia and run it to install all the critical updates that Cydia scans.
    -To unlock–>install ultrasn0w from cydia directory on to the phone.
    NOTE: i tried fuzzyband downgrade but it said it can’t downgrade. Just ignore and follow the above instructions and you should be fine.

    Happy Cracking….. Anil Bhatia (apple cracker)

  • Ali says:

    Thaaaaaaaaaaaaaaaaaaaaanks man, i did it and works super.

    2 days i trying to unlock my iphone 3g on 4.0 and evry one says no way, i did folowed the steps and evry thing done perffect guys :)

  • Beretta007 says:

    Beretta007 said…

    ok I need help. I have a 32GB 3gs, unlocked with black ra1n.
    Bootrom: 359.3.2
    Firmware: 3.1.2 (7D11)
    Modem: 05.11.07

    Never jailbroken with spirit.
    Have access to mac and pc.
    Need to stay unlocked if possible. Want 4.0
    What backup or status do I need to get the phone into before I start? I also have another phone the same that has never been unboxed and arrived the same day.

    Im confident enough to follow a tutorial, just need to know what state I need to be in before I start


  • alexander says:

    yep i can only subscribe to anil bhatia!
    it works perfect – thx a lot for help -> my iphone works the first time again since nearly 3 months!!!
    thx and best wishes

  • jhay says:

    only iphone 3.1.3 is unlockable and easy to jailbreak using spirit but not the iphone 4.0.. How can apple created that stupid update where all user just get in trouble. Stop updating there’s no problem even u did not update your iphone it will work normal unlike the unlockable version of iphone.. just a shit..

  • Nathan says:

    I have a Iphone 3G 8Gb, running IOS 4.0(8A293), modem ver (05.13.04). This unlocked my phone to all networks but now I cannot use 3G data services the phone says “Could not activate cellular data network”, please help out please this is my work phone and I have disabled half of its use.

  • Vicky Malhotra says:

    Hi anil… Should I upgrade to os 4 through iTunes or should I download those custom os 4 files… It’s so confusing..

    I have iPhone 3g 3.0.1 with 4.0.28 baseband…

    I really don’t want to upgrade my baseband… Pls help…

  • Gustavo says:

    Sammer…. thx u so muchhhhhhhhhhh, work´s great!

  • peter says:

    it works without downgrading.. i have iphone 3g version 4.0
    modem firmware 05.13.04

  • saravana says:

    ok I need help. I have a 16GB 3g, unlocked

    Firmware: 3.1.2 (7D11)
    Modem: 05.11.07
    Have access to mac and pc.
    Need to stay unlocked if possible. Want 4.0
    What backup or status do I need to get the phone into before I start

    I am confident enough to follow a tutorial, just need to know what state I need to be in before I start


  • Adamji says:

    Thanks Anil,
    Simple good instructions that work!I now have a jailbroken & unlocked iphone 3g 8g!
    Works like a dream.

  • Thet says:

    Great works.. My Iphone 3G 8GB can work back to normal with this unlock..


  • Glenn says:

    I have a 3GS which was upgraded to version 4.0, how can I go about unlocking it so that I can use various sim cards.

  • Glenn says:

    Hi Guys,
    Do not be taken by a company called SWREG Digital, they only advertise that they can unlock the 3GS Version 4,0 but in actual fact they cant do it. Once you pay them through your credit card, they dont bother answering you back. They are supposed to give you the program within 48 hrs of the payment but nothing happens.
    I am still awaiting for the refund. Forget the program you will never get it.

  • llui says:


    How come it didn’t worked in my iPhone3g. It’s not downloading the jailbreak dataand the pineapple isn’t appearing as well. It says done,but it isn’t.Pls help.


  • King D says:

    I am looking for the link to download ultrasn0w 0.93 can anyone help me9?

  • Liza says:

    Hi. i have iphone 3GS Os4 initially jailbroken with spirit. any unlock solutions? ive been searching for a while now but without any luck

  • Seanie says:

    Thanks Anil! iPhone 3G UNLOCKED!!

  • Vivian says:

    Anil, please help me…

    I have a 3 G which WAS…unlocked and jailbroken. I mistakenly updated it to OS4 because I have a Mac. LOL…Now I have a restored phone locked again…. Can you help me???

  • tiffany says:

    could someone please email me step by step on how to unlock my iphone 3.1.3 baseband 5.12.01 i have the cydia app on my phone but everytime i try to do the steps an add ultrasnow or blackrain and all that i get an error message saying it cant be found please email me some suggestions

  • tiffany says:

    my bad, could someone just put on here how to fix this.

  • Richard says:

    my bad i reset my iphone and now it wont boot its stuck on the apple logo on start up

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  • Stewillo1981 says:

    can someone send me step by step on jailbreaking my iphone 3g 8gb version 4.0.2 please

  • tafint says:

    Yes I do have a rare 3G with BL 05.08 and I had also the unlockable 04.26.08 and SHSH Cydia

    I followed the iClarify tutorial to update to 4.2.1 without changing the baseband… but it ended up updated, jb, fw 05.15.04 and NO SERVICE, battery lasting only few hours, even in sleep mode.
    I did not want to use the iPad fw 06.15 since I understand I’ll be stuck with it forever. Today installed/run FUZZYBAND 4.1 as last hope, but it reads “NOT SUPPORTED”.

    Anybody having that same problem? Any help/suggestion welcome!

  • Liltaymusic says:

    I have a Iphone 3gs that is hacked with Black ra1n and i upgraded my itunes to 10 what do i do to upgrade my iphone hacking so that it works with itunes 10

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  • CultDoctor says:

    So, if I have modem firmware 5.12.01 with version 3.1.3, what can I upgrade to with my 3Gs unlocked/jailbroken?

  • CultDoctor says:

    Yep, me too: modem firmware 5.12.01 with version 3.1.3, 3Gs?

  • CultDoctor says:

    Yep, me too: modem firmware 5.12.01 with version 3.1.3, 3Gs?