Unlock iPhone 3.1.3 3G 3GS with blacksn0w

Good news is out, now you can easily unlock your iPhone 3.1.3, 3G and 3GS the old bootrom one, as Sn0wbreze 3.1.3 is now available and can be easily downloaded to jailbreak your iPhone. The details of how to jailbreak iPhone using Sn0wbreeze and ultasn0w has already been discussed. If your iPhone has baseband 04.26.08 baseband than use ultrasn0w and if its 05.11.07 baseband than use Geohot’s blacksn0w to jailbreak your iPhone.

iPhone 3GS

Now you just have follow some steps to unlock your iPhone 3G, 3GS old bootrom on iPhone OS 3.1.3 using blacksn0w.

How to: Jailbreak iPhone on 3.1.3:

Step 1:

To jailbreak our iPhone 3G or 3GS using sn0wbreeze 3.1.3 on iPhone firmware 3.1.3 then click on the following link How To – Jailbreak IPhone 3G 3GS 3.1.3 With Sn0wbreeze – V1.3

Steps to unlock iPhone 3G or 3GS (old bootrom) on 3.1.3:

Step 2:

After you are done with jailbreaking now you have to unlock your iPhone running jailbroken firmware 3.1.3 using blackn0w, which is easily available at Cydia. You just need to follow some steps to do it:

  • On your iPhone springboard start “Cydia” app.


  • Then tap “Manage” tab on the very bottom.


  • Then tap “Sources” as shown below.


  • Then tap “Edit


  • Then tap “Add



  • Then tap “Add source


Now Cydia will do its work and will update your sources automatically following series of automated steps.

  • Now wait till the installation is completed.
  • After that search for “blacksn0w” in Cydia and install the app. This application will automatically unlock your iPhone which can be used with any other carrier.

Step 3:

Now there is only one thing that you have to do is to restart your iPhone. Your iPhone 3G or 3GS is unlocked and jailbroken on firmware 3.1.3.

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One Comment

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