Unlock iPhone 3G/3GS 3.1.3 Firmware with ultrasn0w

Sn0wbreeze has just released its latest version to jailbreak iPhone 3.1.3 firmware which can be used to jailbreak iPhone 3G/3GS with older bootrooms without upgrading their baseband, complete guide can be found here.

After jailbreaking iPhone 3.1.3 firmware using sn0wbreeze you can unlock your iPhone 3G and iPhone 3GS having 04.26.08 baseband with ultrasn0w to make it work with any carrier.

Unlock iPhone 3G/3GS 3.1.3 Firware

1. Once you have jaikbroken your iPhone 3G/3GS open Cydia on your iPhone.

2. Now select on Manage tab at bottom and choose Sources.

3. Now you will have to add repository, to do this tap on edit and then Add button now type following repository URL

http://repo666.ultrasn0w.com/

4. After the source has been added tap on “Return to Cydia”.

5. Now go to Search menu from bottom menu, type “ultrasn0w” and press search.

6. Now tap on the ultrasn0w and choose Install from the top right menu.

7. After installation complete restart your iPhone and insert your SIM.

8. Here you go, now your iPhone 3G/3GS is completely unlocked and ready to use with any carrier.

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