Tethering On iPhone 3g
How To Enable Tethering On iPhone 3g, 3gs Os 3.1.2
Previously I have elaborated about How To Jailbreak iPhone 3GS OS Firmware 3.1.2 With PwnageTool For Mac but something bad happens because afterward you will be losing your internet tethering ability since Apple doesn’t support internet tethering in firmware 3.1.2.