Apple have disabled the capability of updating the Carrier files (via IPCC) in itunes 8.2 but If you want to update your carrier files with the latest itunes 8.2 and itunes 9.0 you can do it this way.
On Windows it may rename the file to .zip to just rename it back to .ipcc

Make sure itunes is not running

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“It’s not a secret anymore… many iPhone games and applications have been cracked (and still are). Basically, you can get 2 types of files. The “normal” .app file, and the cracked ipa file. We already covered the method to install .app files on your iPhone. Now here is the other method, the most popular one, to install cracked .ipa files such as games and applications on your iPhone or iPod Touch.

As a reminder, this is illegal! I do not encourage anyone to hack or crack iPhone games. Some developers spend quite some time working on them and they don’t want to see their work ripped off. If you see an iPhone game or application that you like, download it legally through the App Store.”

This method works for all firmwares from 2.0 to the current firmware available. The only thing that changes is the MobileInstallation file that you have to install. Each device (iPhone/iPod Touch) has its own MobileInstallation file for each version of the firmware. I started tracking theseMobileInstallation files from iPhone 2.1. I do not have them for older firmwares and I do not have them for iPod Touch, although they might be the same as the iPhone’s. I don’t own an iPod Touch, thus I never tried this before on one but some users reported to me it worked great.

By the way, you may want to check my list of cracked iPhone games and applications.

So, how to install ipa files on an iPhone or iPod Touch?

1. You need to be on jailbroken iPhone with Cydia installed. For this, you may use QuickPwn,PwnageTool, or WinPwn. See my tutorials for on how to jailbreak your iPhone or iPod Touch using any of these tools.

2. Install OpenSSH from Cydia on your iPhone. Click on Cydia and then click Install (Sections)>Networking>OpenSSH then click Install>Confirm (if you get a running out of disk space error click “ok”).

3. Log into WinSCP. The first time you try to login you may get a connection timeout error, click retry several times (up to 20 times!) and it should work. If you still get an error, reboot your iPod/iPhone and try again.

4. Navigate to /private/var/mobile/ folder

5. Set the permission of the Applications folder to 777 (make sure reclusive is checked).

6. Stay in the /private/var/mobile/ folder.

7. Create a folder called “Documents” in the /private/var/mobile/ folder. Make sure to spell “Documents” correctly, with a capital “D”.

8. Set the permission to 777.
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