Note if you have unlocked your iPhone with AnySim, iphonesimfree or any other method don’t use this tutorial as it wont work
“You are doing this at your own risk and we can’t be held responsible if anything goes wrong or if you computer and iPhone gets damaged”.
-Close iTunes
-Make a of copy iTunes Music Library.xml and place it somewhere. This file is located at C:\Documents and Settings\your username\My Documents\My Music\iTunes\
Follow the instructions at
http://docs.info.apple.com/article.html?artnum=93698
to completely uninstall iTunes . Make sure you read and do the steps under the 4 categories
-Remove iTunes
-Remove QuickTime
-Remove Apple Software Update
-Remove Apple
Download iTunes 7.3.2 from this link on Apple’s site and install, Click here
After installing iTunes 7.3.2, open iTunes .If you see this dialog

Then do the following
Go to C:\Documents
and Settings\your username\My Documents\My Music\iTunes\
And delete iTunes Library.itl and iTunes Music Library.xml
Then re-open iTunes and go to file > import… and select the iTunes Music Library.xml file you backed up in step 1.
Download the restore file from Apple’s site here
After it has downloaded, launch iTunes and plug your iPhone into the dock. You will get this message

Don’t worry, just click Ok
Now do the following on your iPhone( remember, keep it docked )
-Slide to unlock
-hold down home button and power button for about 10 seconds or until the screen goes black. Then release the power button but continue holding the home button. After about 10 seconds the computer will detect the iPhone in restore mode, and iTunes should tell you that the phone needs to be restored with the following dialog


Press ok
Now, on your computer keyboard, press shift, and while holding down shift, press the restore button

In the dialog that pops up, locate and select the restore file you download in the first part of this step.
Then let the restore proceed. After the restore is complete, you will get a message that says

Don’t worry about it just click ok, and let iTunes load the iTunes store
Select any of the two options. Restore from backup will keep all your previous information on your iPhone

Never upgrade iphone software and iTunes immediately anymore. Wait till what the online community says about any pitfalls in updating to the latest iTunes or iPhone. So, If you see a dialogs like these


Simply check “Do not ask me again” and select “Don’t install.
Same thing goes for iTunes, if a dialog pops up asking you to update iTunes like this,“Just Say NO”.
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