[How To] Activate your iPhone 4, 3GS, 3G without official iPhone Carrier SIM

Sherif Hasim has figured out an easy way to activate iPhone 4, iPhone 3GS and iPhone 3G without needing the official iPhone carrier SIM. Please note it doesn’t unlock your iPhone but it activates it. But it helps you to hactivate your iPhone without the need to hack your iPhone.
Sherif had also discovered an exploit in the baseband (05.12.01) that was bundled with iPhone OS 3.1.3 earlier in the year. Activating your iPhone means giving it access to the Home screen by telling your iPhone that you are using one of the iPhone’s official carriers. Activating your iPhone is done through iTunes in order to use it with an official iPhone carrier. Read more of this post