If your network carrier doesn’t allow you to tether your 3G or EDGE connection from your iPhone to say your notebook, TetherMe is for you. Unlike MyWi which costs around $20 bucks, TetherMe enables native tethering option on all iPhones from iOS 3.x up to iOS 4.0.1.

The following step-by-step guide will help you enable full Internet Tethering option in iPhone 3G and iPhone 3GS running the new iPhone firmware 3.1.2 without having to rely on any third party app for this functionality. For those of you who dont know, Internet Tethering is a process which enables you to use your iPhone as a wireless modem to share its Internet connection with a computer via USB cable or Bluetooth interface.