I am currently running OS 4.1 and I am looking to update to 4.2.1.
In the past I have always backed up using iTunes, created a custom IPSW using PwnageTool, updated, and then restored from my backup.
However, I was recently poking around in my iTunes backup files using iPhone Backup Extractor, and I noticed that there are all kinds of old preference files from Cydia packages I have uninstalled a long time ago (I actually upgraded from an iPhone 3G to an iPhone 4) as well as tables in my SMS database from iRealSMS (which I only had installed for a little while).
So what I would like to do is update to 4.2.1 completely fresh without using a backup. But, I'd like to keep my purchased apps and my saved data from my games. I'm thinking I should just back up my jailbreak preference files from the var/mobile/Preferences folder and selectively restore those I want after the restore, but this won't give me my AppStore application preferences back. Does anyone know where those are saved or have you done anything similar to this?
In the past I have always backed up using iTunes, created a custom IPSW using PwnageTool, updated, and then restored from my backup.
However, I was recently poking around in my iTunes backup files using iPhone Backup Extractor, and I noticed that there are all kinds of old preference files from Cydia packages I have uninstalled a long time ago (I actually upgraded from an iPhone 3G to an iPhone 4) as well as tables in my SMS database from iRealSMS (which I only had installed for a little while).
So what I would like to do is update to 4.2.1 completely fresh without using a backup. But, I'd like to keep my purchased apps and my saved data from my games. I'm thinking I should just back up my jailbreak preference files from the var/mobile/Preferences folder and selectively restore those I want after the restore, but this won't give me my AppStore application preferences back. Does anyone know where those are saved or have you done anything similar to this?
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