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I've done jailbreak a few weeks ago to try some new apps and games before buying them. Today I've updated my iPod touch to a new version and I've purchased some apps I liked. To sync iPod touch with new app I have deleted the previously cracked app and then I realized that all data associated to that app was lost.

I don't want to loose data from other apps. How can I re-install with purchased version of the same app without loosing data?

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Continue using the cracked app, and then update through the app store when there is an update –  user6124 Jun 17 '11 at 8:29
    
I'm sorry. I misunderstood what went on. The way you worded your solution made me think something else happened. I should have looked at the dates more closely. –  Andrew Larsson Dec 5 '12 at 22:46
    
No problem ;) s –  aumanets Dec 6 '12 at 8:20
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4 Answers 4

If you don't want to wait for an update, there's an easy fix. First install and open up iFile from Cydia. Navigate to /var/mobile/Applications/, tap the gear in the bottom-left corner and make sure "Application Names" is set to On, and then find the app you want to update and/or buy inside that folder. In the app's folder, there will be a file called iTunesMetadata.plist; delete it. Now go to the App Store. Search for the app, and you'll notice that the App Store thinks it's not installed on your device. Click the "Buy App" button and purchase the app. It won't overwrite any of your saved data from the app, and you'll have legally purchased it. This will also work for any apps that you want to reinstall without losing their saved data.

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Wait until there is an update, then install it. A notification will come up saying that you haven't bought a previous version of the app, and it will ask you if you want to buy it now. Say yes. Data is saved.

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PhoneView www.ecamm.com/mac/phoneview/ This allows you to get at the Documents folder for every app on your device. This is usually where developers store their data and you can copy anything from there out onto the desktop then copy it back in when you've installed your kosher version.

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up vote 0 down vote accepted

Before removing applications from my iPod touch I backup all information with iTunes, then have removed all cracked apps and synced with iTunes. Then I installed all applications again (purchased version), after that I've restored data from previously created backup.

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