how to enable tethering on the iPhone and jailbroken 4.0.1 firmware.[Vodafone]

In this guide we see how to enable tethering on the iPhone and jailbroken 4.0.1 firmware.

Here are the steps to follow: 
1. download the patch from this link; 
2. download carrier changed this link; 
3. copy the file DEB iPhone 4.0.1 update via SSH and run the command
    dpkg-i-ccp401_1.1 2_wortel.deb 
4. riiavviare the iPhone; 
5. copy the downloaded iPhone carrier.plist in / System / Library / Carrier Bundles / Vodafone_it.bundle 
6. do a new restart 
Now with Vodafone enabled tethering.