How to Unlock the iPhone 4, 3GS, 3G Using UltraSn0w 1.2 [Video Guide]

Posted by on November 30, 2010 in Apple, How to, iPhone · 12 Comments

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Unlocking iPhone 4, 3GS, 3G has become very easy after the ultrasn0w 1.2 has been released by The Dev Team. iClarified has made the video which explains step by step instruction to unlock your iPhone 4, iPhone 3GS and iPhone 3G for using any cellphone carrier. However it should be noted that This will work with iOS 4.2.1 firmware if your iPhone has 06.15.00 baseband.

ultrasn0w 1.2 How to Unlock the iPhone 4, 3GS, 3G Using UltraSn0w 1.2 [Video Guide]

Before getting your iPhone unlock you will have to jailbreak it first and you must have 04.26.08, 05.11.07, 05.12.01, 05.13.04, 06.15.00, or 01.59 baseband. Firmware and baseband versions can easily be checked in following way:

1. Launch Settings on Springer board
2. Select General from settings menu
3. Select About from General Settings menu
4. Check Firmware Version under Version label
5. Check Baseband Version under Modem Firmware label
After Checking these requirements follow instruction in the video for unlocking iPhone 4, 3GS, 3G using Ultrasn0w 1.2

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Muhammad Atif Masood

  • J1mmy

    THANK YOU SO MUCH!!! WORKED LIKE HOT DARN!!

  • Jose Fawzy

    after i done all it is searching only and no network avalbe

  • iPhoned-u

    I followed all steps but my Iphone is not picking up a wifi network even though I am sitting beside it. I have tried resetting the network settings on the iPhone….nothing. I have tried resetting the settings on the airport as well. At times it will pick up the signal and then it drops the signal. When I go into Cydia it tries to reload the info but requires a connection I believe. How can I get further so I can install the ultrasn0w if I cannot find a wifi connection. It will not show any of the installed Cydia packages to manage. I am on baseband 06.15.00 now (was 05.12.01) and was having the same problem so I upgraded to the 06.15.00 to see if it would resolve the issue using the iPad firmware update. Any words of wisdom I could try? I am now on a nokia phone (ugh!) until I can get my iPhone back into the land of the living.

    Trying to merge back into the techie world without an on-ramp! Yeesh!

  • chris bevan

    it’s a corruct baseband you’ll have, if the network status is still displaying “searching”. the only thing im going to try now it to install an iphone 3gs 3.1.2 baseband. (there conpatable with the 4.2.1 firmware.

  • Khanage

    it says ‘no network list found’ wat now?

  • apl

    Hi, I’m new. Would appreciate feedback, thanks!

    Any recent update for iPhone4 on 3.10.01 baseband?
    I’ve jailbroken my phone but yet to try unlocking it because my phone’s baseband is not listed on this step-by-step instruction list….

  • Fortwaynepups

    Thanks so much for the instructions. :)

  • Youssef Moussallem

    Thank you!! Thank you!! you don’t know how grateful i am!!!!!

  • Uufhe

     TAHNKS A LOT!!! PIECE OF CAKE!!! 

  • Duranwd

    My baseband is 05.15.00, can this work also for my iphone?

  • guest

    list of  sources is empty………..what should i do???

  • Petroski_adrian

    List of sources is empty :(


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