How to Unlock iPhone 3GS OS 3.0, 3.0.1, 3.1, 3.1.2 Using UltraSn0w

In this iPhone guide, you will learn how to unlock iPhone 3GS OS 3.0, 3.0.1, 3.1, 3.1.2 using UltraSn0w. This guide is for iPhone 3GS users only. If you want to Unlock iPhone 3GS, you should continue reading.

iPhone 3G users please navigate to:

iPhone 2G users please navigate to:

In order to unlock iPhone 3GS you need to jailbreak iPhone 3GS first. and you can do it by using the following guide:

When you have successfully jailbreak iPhone 3GS using above guide, then you are ready to unlock iPhone 3GS using this guide. So lets unlock iPhone 3GS with UltraSn0w.

***If you are on T-Mobile remember to turn off 3G before starting…

How to Unlock iPhone 3GS OS 3.0

1. Launch the Cydia from your iPhone Springboard.
unlock-iphone-3gs-os-30-ultrasn0w-00
2. Go to Manage Tab at the Bottom.
3. Press the Big Sources Button.
unlock-iphone-3gs-os-30-ultrasn0w-01unlock-iphone-3gs-os-30-ultrasn0w-02
4. Press the Edit button at the Top Right of the Screen.
5. Then press the Add button on the Top left of the Screen.

unlock-iphone-3gs-os-30-ultrasn0w-03unlock-iphone-3gs-os-30-ultrasn0w-04

6. Input the following URL: http://repo666.ultrasn0w.com/ and hit Add Source button.

*** That last “o” is actually the number zero “0”! If you use the letter “o” you’ll get an error.

7. When Cydia is done with adding Source, Hit the big Return to Cydia button.
unlock-iphone-3gs-os-30-ultrasn0w-05unlock-iphone-3gs-os-30-ultrasn0w-06

8. Press the Done button at the Top Right.
9. Then Press repo666.ultrasn0w.com under the User Added Sources.
unlock-iphone-3gs-os-30-ultrasn0w-07unlock-iphone-3gs-os-30-ultrasn0w-08

10. Select UltraSn0w from the list of packages.
11. Hit Install button at the Top Right corner.
unlock-iphone-3gs-os-30-ultrasn0w-09unlock-iphone-3gs-os-30-ultrasn0w-10

12. Then Press the Confirm button at the Top Right.
13. When the Installation is completed successfully, press Return to Cydia button.
unlock-iphone-3gs-os-30-ultrasn0w-11unlock-iphone-3gs-os-30-ultrasn0w-12

14. Press the Home button to go back to SpringBoard. Then Turn your iPhone OFF by holding down the power button for 3 seconds and then dragging the Power slider that appears to the right. Now Turn the iPhone 3GS back ON.

Enjoy the SIM of any carrier on your just Unlocked iPhone 3GS on OS 3.0. Don’t forget to leave your feedback under comment section.

Share/Save this Post

  • StumbleUpon
  • Facebook
  • Reddit
  • del.icio.us
  • Technorati

Comments:

  1. [...] iPhone Heat wrote an interesting post today onUnlock <b>iPhone 3GS</b> | How to Unlock <b>iPhone 3GS</b> OS 3.0 With UltraSn0w <b>…</b>Here’s a quick excerpt [...]

  2. [...] Congrats! you have successfully Jailbreak iPhone 3GS. Now, in order to Unlock iPhone 3GS with UltraSn0w follow this guide: How to Unlock iPhone 3GS using UltraSn0w [...]

  3. [...] Congrats! you have successfully Jailbreak iPhone 3GS. Now, in order to Unlock iPhone 3GS with UltraSn0w follow this guide: How to Unlock iPhone 3GS using UltraSn0w [...]

  4. [...] Congratulations! You have successfully Jailbreak iPhone 3GS on OS 3.0 with RedSn0w under Windows environment. Now you can Unlock iPhone 3GS using following guide: How to Unlock iPhone 3GS OS 3.0 Using UltraSn0w [...]

  5. arska 8 July 2009 at 11:08 pm #

    this is not working for me :( ((( iphone 3g 8gb black from Finland. please help!!!!

    • iPhone Heat 9 July 2009 at 12:51 pm #

      @arska
      You need to jailbreak your iPhone 3GS first.
      Jailbreak guides links are available in the start of this guide.

  6. iphonechris 9 July 2009 at 3:10 am #

    Good news from iphonechris the software redsn0w 0.72 and firmware
    Iphone2,1_3.0_(7a341)_restore.ipsw has don the jailbreaking job it had written to do.

    Congrats to the developement team. unlocking was a cake walk. heck tickly good and easy.

    GOOD WORK GUYS.

  7. [...] iPhone Heat wrote an interesting post today on<b>Unlock iPhone 3GS</b> | How to <b>Unlock iPhone 3GS</b> OS 3.0 With UltraSn0w <b>…</b>Here’s a quick excerpt [...]

  8. [...] iPhone Heat wrote an interesting post today on<b>Unlock iPhone 3GS</b> | <b>How to Unlock iPhone 3GS</b> OS 3.0 With UltraSn0w <b>…</b>Here’s a quick excerpt [...]

  9. Ketan 14 July 2009 at 11:50 am #

    AWESOME DEV TEAM!!! GUYS ARE GENIUS MAN.. WHOOO.. :)

  10. [...] Unlock iPhone 3GS with UltraSn0w [...]

  11. Amir hossein 16 July 2009 at 3:33 am #

    It was very easy for me to unlock my iphone 3gs.
    Thank you Dev team you are the best!

  12. Andy 19 July 2009 at 2:55 am #

    Just Jailbroke and unlocked by 3GS. Everything worked like a charm. During unlock, after step 12, it asked me to “Reboot device” rather than “Return to Cydia”
    Havent tested if the phone is unlocked or not, but everything appears ok. Thanks a lot. Great set of instructions as well.

  13. Dino 28 August 2009 at 8:57 am #

    Dude This shit rocks….u guys are fantastic

  14. jay 31 August 2009 at 5:33 am #

    iPhone 3GS Unlock worked like a charm
    thanks for the clear instructions

  15. R.................. 31 August 2009 at 6:31 am #

    Once I switched to I.E. it was super simple using Windows Vista. The directions are great and so is the jailbreak and unlock.

    Thanks…

  16. goochi 1 September 2009 at 7:01 am #

    instructions worked great to unlock my iPhone 3GS OS 3.0.

    thanks for the simplest steps iPhoneheat.. You guys Rock!!!

  17. Ahmed AfRoo 8 September 2009 at 4:39 pm #

    hey whasup guy, my friend shipped to me from America 4 iphones the new device 3gs 32GBs but im so carefull i dont know is it will unlock this devices or my money gone for air ,, please reply to me i can stop this shipping opiration before i get it ???

  18. U Kyaw 13 October 2009 at 9:26 am #

    Thank you very much iphoneheat because of so useful of this side

  19. [...] Congratulations! You have successfully Jailbreak iPhone 3GS on OS 3.0 with RedSn0w under MAC OS X environment. Now you can Unlock iPhone 3GS using following guide: How to Unlock iPhone 3GS OS 3.0 Using UltraSn0w [...]

  20. Aryan 26 October 2009 at 2:18 pm #

    I am still waiting to unlock my 3GS 3.1 Out of Box, is there any hope? my baseband is 05.xx.xx?

    • rajivmehta12 30 October 2009 at 1:52 pm #

      I am based in India and have purchased iphone 3Gs from USA under the At&T plan, with version 3.1 (7C144) and Modem firmware version 05.11.07

      Let me know if this can be unlocked, as I want to use Indian SIM card

      Regards

      • iPhoneHeat 30 October 2009 at 3:07 pm #

        Sorry it’s not unlockable atleast for now..

      • mads 1 November 2009 at 2:13 am #

        Looks like Geohot will release the unlock for the 5.X baseband around Nov 4.

  21. Ruben 30 October 2009 at 6:13 am #

    So when can we expect to be able to unlock our iPhones if we have the 5.11.07 firmware???? Please let us know asap!

    • iPhoneHeat 30 October 2009 at 3:03 pm #

      Hacker are working on it no one can say how long will it take..

  22. Ace 31 October 2009 at 9:26 am #

    Thanks very simple and very easy

  23. sachin 2 November 2009 at 4:42 pm #

    I have unlocked my 3g iphone all went well but when i insert idea simcard it says u r phone is outoff coverage area. anybody have the solution

    regards
    sachin

  24. Johnri Chan 2 November 2009 at 9:38 pm #

    Hi iPhone Heat i need ur help .
    My iPhone GS is NOT Activated (for Official Carrier Users)and i download already the custom firmware n i restore from the itunes but after done the got some text that says

    The SIM Card inserted in this phone does not appear to be supported

    Only compatible SIM cards from a supported carrier may be used to activate iPhone.
    Please insert the SIM card that came with your iPhone or visit a supported Carrier’s store to receive a replacement SIM card.

    Btw i dunno what is the modem firmware version .
    Can u let me know why is that happend ?

    Thanks

    • iPhoneHeat 2 November 2009 at 10:31 pm #

      You’re on Official carrier.. right!
      did you install NOT Activated custom firmware?

      You can check modem firmware from:
      Settings > General > About

  25. [...] just a name displaying bug, nothing wrong with the unlock functionality, which means even after unlocking iPhone with UnltraSn0w your phone works normally, just the carrier logo is [...]

  26. yetun 10 November 2009 at 8:16 pm #

    where can i download the custom firmware 3.1.2, actually i m not the premium user

  27. sai 12 November 2009 at 6:32 am #

    hey, can i install custom firmware 3.1.2 to iphone 3GS modern firmware 05 and then jailbreak from blackra1n? please reply me iphone Heat

  28. [...] if you want to unlock iPhone 3GS or unlock iPhone 3G, you can either use Ultrasn0w or Blacksn0w to unlock iPhone 3GS and [...]

  29. [...] using Custom Firmware, RedSn0w, PwnageTool, Sn0wBreeze, BlackRa1n and unlock iPhone OS 3.1.2 using UltraSn0w and [...]

  30. Karan 7 February 2010 at 7:58 am #

    ok.. big problem… i tried to flash the data by selecting delete content and settings from the phone itself… PHONE IS NOW HUNG!… nothings working.. restore from iTunes is not working as well.. would really appreciate quick advise!

    • iPhoneHeat 7 February 2010 at 9:13 am #

      never erase data from within iPhone when you have a jailbroken device.. this is what happens afterward
      now put your iPhone into DFU mode and restore

      • Karan 8 February 2010 at 11:23 am #

        restore also not working.. its a brand new 3gs… would appreciate help!

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

  32. [...] you’ve jailbreak iPhone 3GS and 3G using Sn0wbreeze 3.1.3 v1.5, now you can unlock iPhone using UltraSn0w (baseband 04.26.08) or BlackSn0w (baseband [...]

  33. [...] you’ve jailbreak iPhone 3GS and 3G using Sn0wbreeze 3.1.3 v1.5, now you can unlock iPhone using UltraSn0w (baseband 04.26.08) or BlackSn0w (baseband [...]


Leave a Reply