Originally Posted by Ithian Here is an excellent tutorial to get your jailbroken iOS4 device's tethering function enabled without installing any Cydia/Rock apps like MyWi 4.0 ($20 New Users / $10 Upgrade) or Tether ($5 USD). A BIG thanks to Diode on the Macrumors forum for helping to spread this information around outside the Xsellize forums, and for helping me sort out an issue I had with this. Thanks to Wortel at Xsellize this will work for any iPhone 3g/3gs/4 running iOS 4.0.1. Download - ...