Dev Team released the new Pwnage tool 3.1.3 to Jialbreak iphone 3GS 3.1 on MAC. But this one is not apply for the windows users. But don,t worry here is the Guide which will help you to Unlock iPhone 3GS Firmware 3.1 on Windows. Yes i tried it this on my iPhone 3GS on Windows and it was working so smoothly. But only users with a previously Jailbroken iPhone 3GS should try this tutorial and yes it does not work for those who have an iPhone 3GS with Firmware 3.1 out-of-the-box. So here is the guide:-
Download all these 4 Rapidshare Links and Join with them HJsplit and Unzip it on your desktop. If you Are a MAC User than Read This tutorial :- Unlock Jailbreak iPhone 3GS 3.1 with PwnageTool 3.1.3
Read Also: How to Unlock iPhone 3GS Firmware 3.1.2 on Windows
http://tinyurl.com/iphone-3GS-3-1-technobuzz-1
http://tinyurl.com/iphone-3GS-3-1-technobuzz-2
http://tinyurl.com/iphone-3GS-3-1-technobuzz-3
http://tinyurl.com/iphone-3G-S-3-1-technobuzz-p4
After Joining them with HJsplit and savie it on the Desktop do these steps.
1. Download and intsall iTunes 9, and then run it.
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2. Connect your iPhone 3GS to the Windows PC.
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3. Click ‘Restore’ while holding SHIFT key and select the Custom IPSW that you saved in your desktop.
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4. Now sit back and enjoy as iTunes does the rest for you. Once everything is processed and OS boots up, install Ultrasnow, See below how to do that.
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5. Start “Cydia” on your iPhone and click “Manage” tab on the bottom than “Sources” as seen in the screenshot below:
6. Click “Edit” and then on “Add”. Now enter a url source as seen in the screenshot below. Type “http://repo666.ultrasn0w.com” and touch on “Add Source”.
7. Now Cydia will automatically update your sources by following a series of automated steps.
8. After installation is completed. Search for “ultrasn0w” in Cydia and install it.
Thats it! now your iPhone 3GS 3.1 is Jailbreak and Unlock too. Enjoy it, and yes down, forget to Subscribe us feed Here and Follow us on twitter too.

















I’ve got the same error (1604) as mik210
Nothing helps. Your restore file cannot be loaded on my iPhone 3GS.
Thanks anyway.
@ Dara
As you said that now you are on Baseband 05.11.07. So it not possible now to Unlock it.
Wait for some Days, May be Dev team Will do something for you
Hi guys
I get this error (translatet from danish): Iphone can not be restored, because the firmwarefiles is not compatible.
I used the “new” link nr 4 Raj posted.
What can I do ?
best regards Søren
@Amtoft
You have to Download all the 4 Links thjat i given in the post and Join them with HJsplit. After that you can use it
Raj
by the way, I have a Iphone 3gs with OS 3.1 (updated by mistake and now locked)
Ray
Yes I did download all the 4 links! join them with HJsplit. rename the zip to ipsw. I now have a file called: iPhone3G_S_-Custom31-Technobuzz.ipsw (306 mb)
Is this correct?
@Amtoft
You said that you are on 3.1. Sorry this one will not help u. It was only for 3.0.1 firmaware. now you are on 3.1 . so it impossible to unlock it
@ Raj
Hi I am about to try and Jail break and unlock iphone 3Gs Firmware 3.1 , which is why i am reading this site , I have one question The tilte of this web page says
Unlock iPhone 3GS Firmware 3.1 on Windows , which is great thats what i want but reading your comments to people special the last one to Amtoft , you said
“You said that you are on 3.1. Sorry this one will not help u. It was only for 3.0.1 firmaware. now you are on 3.1 . so it impossible to unlock it”
So which is it , is this webpage about IPHONE 3GS firmware 3.1 or IPHONE 3Gs firmeare 3.0.1.
Hi
I just want to check if this will work. My my bootloader is 06.04 and my baseband is 04.26.08. Will I be able to jaibreak and unlock, or by upgrading using your firmware, will it mean my baseband will be upgraded as well and I won’t be able to unock
Hi,
A friend will buy for me the iphone 3GS 16Go in Chicago, free of network.
I would like to know if the iphone will be compatible with my french network (SFR = Vodafone) after following this guide.
Thx in advance for your help.
hi
how to jailbreak 3gs 3.1 firmware 05.11.07??
plz help me
You can´t unlock 3gs 3.1 firmware 05.11.07.
You have to wait until Dev team can help us.
hellow people i really need help! i just but purchased the iphone 3gs with 3.1 version and 05.11.07 firmware. i upgraded the version into 3.1.2 because i thought i could unlock it but i only ended jailbreaking it. is there anyway i can unlock my phone?
Thanks for posting,
i got a new iphone 3gs, but dont know what firmware its running, where can i find out?
anyways, i tired to jailbreak it but it didnt work, so i restored the iphone to facotry settings i.e. upgraded it to 3.1! will it work?
last question what exaclty do you mean by “it does not work for those who have an iPhone 3GS with Firmware 3.1 out-of-the-box”???
thanks
PLS Help Me For UNzip IN 4File
Okay Thank It’s nothing. ……….HJsplit …..
@Raj
I’m new to all this, please help me to clarify a few things:
1/ Jailbreak = installing special firmware/software to allow you to install and run applications on your iphone ?
2/ Unlock = unlock the phone from att and allow you to use different sim cards. In order to unlock your phone, you have to jailbreak it first.
I have a 3GS with OS 3.1 right out-of-the-box. I need to jailbreak and unlock the phone. Please provide me with the instruction.
Your help is greatly appreciated.
hi i tried its giving error 1600. what can i do to overcome this problem..
please help me
@raj
Hi,
I have an iPhone 3GS on software 3.0.1 (7A400) with modem firmware 04.26.08. It is currently Jailbroken and Unlocked using Ultrasn0w and Cydia, do I just follow the above steps? Will it work with iTunes 9.0.2? Will I lose contacts, calendar entries etc? These are currently backed up on my iTunes 8. Your help will be highly appreciated.
Regards