With the BlackSn0w unlock for iPhone 3GS and 3G now it’s possible to enable Tethering on iPhone OS 3.1.2.
Before the release of BlackSn0w unlock, we wrote a hack on how to enable tethering on iPhone OS 3.1.2 which comprises a few tricky steps. But this iPhone tethering guide is pretty easy and straight forward.
In order to tether iPhone OS 3.1.2 simply follow the instructions below.
NOTE: iPhone 3.1.2 Tethering Guide is for Blackra1n and BlackSn0w users only. Rest of the users may follow the previous guide:
How to Tether iPhone OS 3.1.2
First of all make sure you’ve unlock your iPhone using BlackSnow. Use this guide to unlock iPhone OS 3.1.2 with BlackSnow:
From your iPhone, Open the Safari browser and navigate to:
and hit the install button and confirm. This will install the custom IPCC file.
Reboot your iPhone.
Settings > General > Network > Internet Tethering
and turn it ON.
Now you should be able to tether iPhone OS 3.1.2 via USB and Bluetooth.