How to Enable MMS & 3G Tethering on iPhone OS 3.0

How to enable MMS and Tethering in iPhone 3G on 3.0 OS

1. Download iTunes 8.20.13 (Windows Version) from here
2. Install iTunes 8.20.13
3. Run iTunes and Press shift + restore and locate iPhone OS 3.0 GM Build: 7A341. When restore is completed sync the iPhone.
4. Now Uninstalled iTunes 8.20.13 reboot your pc.
5. Download iTunes 8.20.10 (Windows Version) from here
6. Install iTunes 8.20.10 reboot your pc.
7. Download ATT_US.ipcc from here
8. Run iTunes & Shift+Update. Locate ATT_US.ipcc & Click ok.
9. Restart your iPhone & Enjoy MMS & 3G Tethering.

Please Note: Above guide is only applicable for Windows Users & iPhone users with AT&T network.

Thanks for the info from this site

folmm