iTunes 9.1, which was released a few hours ago caused syncing issues for many users (specially on Windows), who were jailbroken on iPhone 3.1.2 (tethered) using blackra1n. But now thanks to ih8sn0w, this issue can now be fixed by using BlackBreeze.
Those of you who have jailbroken your iPhone with blackra1n and then later unlocked it with blacksn0w might have faced issues with Youtube not working, WiFi not connecting to any hotspot and other issues related to GPS. Some of you got it fixed by following our guide posted here which used Push Fix app from Cydia. This app, which was available on iPhoneil repo was removed shortly after we posted about it. The good news is that the app has now been repackaged and rebranded as “Push Fix & youtube” and is now available for download via Cydia. “Push Fix & youtube” is guaranteed to fix all the issues that you may be having with the Youtube app not working after blackra1n jailbreak.