How to enable MMS on iPhone 3.1

Please proceed with caution and remember that you run the risk of voiding your iPhone's warranty.

Before you start, you need the following things:

• Modified version of ATT_US.ipcc (carrier file), which can be downloaded from this link.
• iPhone running iPhone OS 3.1
• Itunes 8.2 or iTunes 9

Note: This will work only for AT&T customers.

You then need to enable IPCC updates for iTunes 8.2 (or iTunes 9) and copy the carrier (.ipcc) file to your iphone. To achieve this, you need to follow these instructions:

Enabling IPCC Updates for iTunes 8.2:
iTunes 8.2 or iTunes 9 won’t allow you to apply the carrier file updates so you need to follow these steps:

MAC OS X:

1. Close iTunes.
2. Open Terminal (applications > Utilities > Terminal).
3. Run the command: defaults write com.apple.iTunes carrier-testing -bool TRUE.

Windows 32 Bit:

1. Close iTunes.
2. Go to Start then Run and type CMD.
3. Run this command(If you right-click on the cmd window you can paste): “%Program Files%\iTunes\iTunes.exe” /setPrefInt carrier-testing 1.

Windows 64 Bit:

1. Close iTunes.
2. Go to Start then Run and type CMD.
3. Run this command(If you right-click on the cmd window you can paste): “%Program Files%\iTunes\iTunes.exe” /setPrefInt carrier-testing 1.

Updating your iPhone with the Carrier file:
To update your iPhone with the carrier file follow these instructions:

1. Open iTunes & connect your iPhone.
2. Click on your iPhone in iTunes(under devices listing).
3. Windows Users: hold shift and click “Check for Update”. MAC OS X: hold alt and click “Check for Update”.
4. Select the .IPCC you downloaded earlier.
5. Reboot your iPhone.
6. MMS should be enabled on your iPhone.

This entry was found on iphonehacks.com


So far no tethering hack has surfaced. But I am sure that someone will.
-Bastian Gatten