For those who have updated their iPhone to firmware 3.1.3 (Jailbroken) would have noticed that the Jailbroken / Cracked apps are not working anymore. Even if you reinstall these apps, they won't work until you patch your MobileInstallation file via AppSync. Good news is that you can patch your MobileInstallation file just like you did it for firmware 3.1.2. After patching the MobileInstallation file, you can install .ipa files manually without using the iTunes.


So as it turned out, the older version of AppSync v1.0 which was released back with iPhone OS 3.x works with iPhone OS 3.1.3 as well. The installation instructions are exactly similar to the last release. Simply follow the step by step guide posted here for 3.1.2 for your iPhone OS 3.1.3 to install AppSync 3.1.3 for iPhone and iPod touch.

Once you have installed AppSync for iPhone 3.1.3, you should then be able to install just about any .ipa files manually on your iPhone and iPod Touch.

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