Apple has released yet another beta for its upcoming iOS update, in the form of iOS 9.3 beta 6. The new beta has been released to both developers and public beta testers. With an iOS 9.3 final public release believed to be around the corner, this sixth beta could be the last beta seen before the iOS update goes live to all users. Apple also released a sixth watchOS 2.2 beta to developers today. Anything particularly noteworthy will be found in a future…