The Dev-Team have kept their promise and have released the Unlock only a couple of days after the jaiblreak was launched. So,if you are looking forward to unlocking your iPhone, follow the tutorial below.

This new unlock will work on the following basebands:

* iPhone 4G baseband - 01.59.
* iPhone 3G/3GS basebands - 04.26.08, 05.11.07, 05.12.01, 05.13.04.


Activated iPhone 3G/ 3GS /4G

Note: If your iPhone is not activated then this version of unlock will not work.

[How To] Unlock your iPhone 3G/3GS/4G with Ultrasn0w :

1) Firstly, you need to jailbreak your iPhone. If you have not jailbroken your iPhone yet, follow the tutorial here.

2) Now that you have jailbroken your iPhone,do this:

 (a) Add  ““ repository to Cydia.

 (b) Search for “ultrasn0w”.

3) Now install Ultrasn0w to your iPhone.

4) Once ultrasn0w has been successfully installed, reboot your iPhone.

You may have to trim your SIM to fit into your iPhone’s SIM card holder (In case you are not having a Micro SIM card).

Note: The iPhone does not support T-Mobile 3G network,So T-Mobile users in USA should turn off 3G via: Settings >> General >> Network.