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I have upgrade the Galaxy Ace S5830 android 2.3.6 to Android 4.1.1 Jelly Bean via CyanogenMod 10 but i can forget Create a NANDroid backup and after compliting installation mobile not stared. so how to recover

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Did you come from CM7 or stock Samsung? Boot to recovery and do a nandroid backup, then wipe. If it then boots install/buy Titanium Backup Pro and do a (very) selective restore from Nandroid backup for only the apps that you really need (i.e. only user apps and not system data like accounts. SMS and wifi passwords may be fine though) – ce4 Nov 18 '12 at 17:51

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