Be aware:&#one hundred sixty;If you’re on iPhone three.1 firmware, observe my&#one hundred sixty;Permit iPhone 3G/iPhone 3GS MMS replace via iTunes&#one hundred sixty;as a substitute.
1. In case you have&#a hundred and sixty;iTunes&#a hundred and sixty;open, then proper-click on and click on&#one hundred sixty;Stop&#one hundred sixty;to shut iTunes.
2. Go to&#one hundred sixty;Functions -> Utilities&#a hundred and sixty;and open the&#a hundred and sixty;Terminal&#a hundred and sixty;software.
three.&#one hundred sixty;Copy and paste the following command in to Terminal: defaults write com.apple.iTunes carrier-testing -bool TRUE
4. Press Return on your keyboard.
5. Download IPCC file (this IPCC File is the latest 5.5 file that AT&T released in iTunes today, right click this link and save it as ATT_US.ipcc).
6. Connect your iPhone 3G/iPhone 3GS to your computer and open iTunes.
7. Press Option on your keyboard and at the same time click on Update in the iTunes window.
8. Locate your ATT_US.ipcc file you d
ownloaded in step 5 and click Choose.
9. Time to reboot your iPhone. Hold down the top button of your iPhone until the “slide to turn off” message appears, slide and turn your iPhone off. Turn your iPhone on again and it should have MMS on it!
1. Open Command Prompt (it’s in Program Files -> Accessories).
2. Copy and paste the following command and press enter:
cd C:Program FilesiTunes
I
f you’re using a 64-bit operating system use the following command instead and press enter:cd C:Program Files (x86)iTunes
3. Copy and paste the following command in Command Prompt and press enter:
iTunes.exe /setPrefInt carrier-testing 1
4. Download IPCC file (this IPCC File is the latest 5.5 file that AT&T released in iTunes today, right click this link and save it as ATT_US.ipcc).
5. Connect your iPhone to your PC and open iTunes.
6. Click Shift on your keyboard and at the same time click Check for Update in the iTunes window.
7. On the right-hand side there should be a drop-down, click on it and select “iPhone Carrie
r Configuration files (*.ipcc)“, find the ATT_US.ipcc file and then click Open.
8. Reboot your iPhone. MMS should now be working!
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