How to Enable Internet Tethering on iPhone 3.1.2 Firmware
A bsdiff patch to apply to CommCenter in 3.1.2 makes it possible to re-enable tethering on iPhone 3G and 3GS under OS 3.1.2. These instructions are of OS X. I used Snow Leopard, I don’t know if Leopard ships with bspatch or not, but if it does then you should be good. Also, make sure [...]
