According to reports, Apple will unveil the next version of its mobile operating system at a media event early next month. Along with iOS 5 , new MobileMe features will also be introduced. The timing of the rumor is in line with Apple’s announcements in years past; Apple held its iOS 4 event last year on April 8th. Among the more anticipated changes expected in iOS 5 is a completely revamped notification system. Apple has not yet confirmed any details surrounding the next version of iOS or an event next month.