iPhone music vanishes with Apple's iOS 4.2, hackers release 'jailbreak'
Some users have found that updating their iPhone to the latest software version, iOS 4.2, has made their iPhone music disappear, though a quick fix is available. Also, hackers have quickly released a "jailbreak" for the new mobile operating system update.
http://feeds.appleinsider.com/click.phdo?i=376183fa9fa29b565761efd26c49d164
