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Everyone should know the iPhone 3.0 supports MMS Messaging, however AT&T is not currently allowing it on their network.  To enable it you need:

  • Modified version of ATT_US.ipcc get it here
  • iPhone running firmware 3.0
  • iTunes

Enabling IPCC Updates for iTunes 8.2

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): “C:\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): “C:\Program Files (x86)\iTunes\iTunes.exe” /setPrefInt carrier-testing 1

Copying the ipcc to your iPhone

  1. Open iTunes & plug in your phone
  2. Click on your phone in iTunes(under device settings)
  3. Windows Users: hold shift and click “Check for updates”.  MAC OS X: hold alt and click “Check for updates”
  4. Select the ipcc you downloaded earlier.
  5. Restart your iPhone

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