Downgrade 06.15.00 Baseband to 05.13.04 with Redsn0w 0.9.14b2 (Video Tutorial)

This is a video tutorial that will walk you through downgrading your / from the iPad 06.15.00 to 05.13.04 which is another Ultrasn0w compatible baseband that will allow you to unlock and use your GPS capabilities. It is very important that if you have a 3Gs and it was manufactured on or after the 35th week of 2011 you SHOULD NOT install the iPad baseband. Doing so will permanently brick your cell radio. You can tell when your device was manufactured by looking at the 3rd, 4th and 5th digits of your phone's serial. The 3rd digit is the last number of the year and the 3rd and 4th together are the week. "135" indicates a device was manufactured on the 35th week of 2011, any device on or after this serial should not use this tutorial.

Redsn0w 0.9.14b1 – WIN | Redsn0w 0.9.14b1 – OSX | Current iOS FIrmware – GetiOS

5 Responses to Downgrade 06.15.00 Baseband to 05.13.04 with Redsn0w 0.9.14b2 (Video Tutorial)

  1. Jackfitzer1 says:

    this doesnt work for me :S

  2. Imran Chagani says:

    I tried this 10 times on my iPhone 3GS (old bootrom) running iOS 5.1.1 but baseband remained 06.15.00.

    • vijji says:

      u might hav slower internet connection… redsnow downloads approximately 90mb file during “fetching baseband files” step.. be patient n try once more

  3. adeebglt says:

    phone 3gs 4.2.1 update 6.0 on services and downgrad 4.2.1 on services modem fimware 6.15 cydia install and unlocking

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