How to Unlock iPhone 3GS, 3G OS 3.1.2 Baseband 05.11.07 Using BlackSn0w

As you would know by now that GeoHot has released BlackSn0w to unlock iPhone 3GS and 3G on Baseband 05.11.07. So, it’s time to write a guide on how to Unlock iPhone Baseband 05.11.07 using BlackSn0w.

In order to use BlackSn0w, you need to jailbreak your iPhone3GS, 3G first using BlackRa1n RC3. Your iPhone MUST have Baseband 05.11.07.

Update to OS 3.1.2, Baseband 05.11.07 and Jailbreak your iPhone with BlackRa1n RC3:

How to Jailbreak iPhone, iPod Touch OS 3.1.2 Using BlackRa1n RC3

ATTENTION loyal BlackRa1n user: (If you’re NOT a loyal BlackRa1n user please skip this step and continue.)

If you’re a loyal BlackRa1n user and still have BlackRa1n.app icon on your iPhone,you don’t need to jailbreak again just open the BlackRa1n from iPhone and hit the Ra1n button. You will see Icy replaced by an option “ra1n“. Install this to upgrade your app. After upgrading, run blackra1n.app again. You will see “sn0w”. Install this, and enjoy your unlocked iPhone.

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Users who have already jailbroken their iPhones with Baseband 05.11.07 can Unlock their iPhone in two ways.

  1. From Cydia
  2. Using BlackRa1n.app

Both methods to Unlock iPhone Baseband 05.11.07 are mentioned below (Use any one of these).

1- Unlock iPhone Baseband 05.11.07 Using BlackSn0w (Cydia)

Open the Cydia and go to Manage Tab and Select Sources.
Press the Edit button at top-right

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Press the Add button at Top-Left
Input the Source: http://blackra1n.com and hit Add Source.

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Now Press Return to Cydia button.
then press Done at top-right

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Now select the just Added BlackRa1n.com Source.
Then Press BlackRa1n to install it

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Press the Install button at Top-Right
Then Press the Confirm button at Top-Right

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That’s it… You have successfully unlocked iPhone on Baseband 05.11.07.

2- Unlock iPhone Baseband 05.11.07 Using BlackSn0w (BlackRa1n.app)

Now considering that your have successfully jailbreak your iPhone using BlackRa1n RC3 using the guide linked above.

Open the BlackRa1n app from your iPhone
jailbreak-iphone-ipod-touch-3-1-2-blackra1n-(5)

You will find three packages available there.

Press the Sn0w option to unlock your iPhone 3GS, 3G Baseband 05.11.07 and hit the install button.

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BlackSn0w will be downloaded and then installed.

You will be presented with a Post Install log for Blacksn0w. CommCenter will be restarted and there is no need to reboot. If your carrier doesn’t support 3G then disable it. Press the Close button to continue.

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Your iPhone will then be Respring.

Congratz! you have successfully unlocked iPhone OS 3.1.2 on Baseband 05.11.07.

If you’re having issues with WiFi, YouTube, or GPS then follow this guide:

How to Fix WiFi, YouTube, and GPS Issues of BlackSn0w Unlock

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Comments:

  1. [...] 3G using Sn0wbreeze 3.1.3 v1.4, now you can unlock iPhone using UltraSn0w (baseband 05.11.07) or BlackSn0w (baseband [...]

  2. [...] is alerting all iPhone 3GS and 3G users who depend on unlock to not to rush for the firmware 3.1.3 even after the PwnageTool for firmware 3.1.3 is out. If [...]

  3. [...] 3G using Sn0wbreeze 3.1.3 v1.5, now you can unlock iPhone using UltraSn0w (baseband 04.26.08) or BlackSn0w (baseband [...]

  4. hancock2403 11 February 2010 at 7:12 am #

    im having a baseband/modemfirmware of 05.12.01 how shuld i unlock this one.i hav tried every single thing u hav mentioned in the site. pls help me

    • iPhoneHeat 11 February 2010 at 3:27 pm #

      baseband/modemfirmware of 05.12.01 is not unlockable ATM

  5. Jack 11 February 2010 at 7:55 am #

    It doesn’t work. HELP!!!!!!!!!!!

  6. Faz 11 February 2010 at 4:36 pm #

    If you’ve updated your iPhone to 3.1.3 BB 05.12.01 then you’ve made a big mistake as there’s no unlock or jailbreak as of yet and maybe never.

  7. bigcstyle1 15 February 2010 at 1:36 pm #

    Hey guys i have a 3GS that i had to restore bcuz it crashed so i used snowbreeze so it has the custom firmware for 3.1.3 and is still baseband 05.11.07 but whenever i try to unlock it with blacksnow it freeze on me can anybody help me out with this please

  8. [...] Simply connect your iPhone or iPod Touch to your computer and run the f0recast (Download link below). f0recast will bring you all the information of your connected devices that is necessary for jailbreak and unlocking. [...]

  9. bulla 19 February 2010 at 8:40 pm #

    how to downgrade boatloader 06.05 to 05.08

  10. [...] 05.12.01. Actually GeoHot had two exploits to unlock baseband  05.11.07. But he used xemn in BlackSn0w since it was already public. The second exploit is still there and carries over from 05.11.07 to [...]

  11. [...] you’ve unlocked your iPhone firmware 3.1.3 using either UltraSn0w or BlackSn0w, then most probably your push notifications won’t be working. There are some solutions out [...]

  12. nuespais 3 March 2010 at 1:54 am #

    I have a iphone whith blackra1n installed. its the most and great program in the world. Today my iphone is broken software, and i must to actualize them. I have boot 05.09 and with the blackra1n and sn0w I dont have network.
    do you have a solution? urgent please

  13. jack 7 March 2010 at 1:59 am #

    sorry but we can not help you guys thats why never do it again you learn from your mistakes

  14. pirlo15 10 March 2010 at 6:23 pm #

    When they will have a software to unlock the iphone 3GS 3.1.3…….. STTIILL WAITING
    GRTZ


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