Apple has released beta 2 of iOS 6 to its developers. iOS 6 beta 2 comes exactly 2 weeks after iOS 6’s initial release, making true to a typical bi-weekly release cycle as with past iOS beta. There is no release schedule for iOS 6, the official schedule is Fall 2012. And there is no known fixed number of beta releases before a final public release. For comparison, iOS 4 took 4 betas and there are 8 betas for iOS 5.