The iOS 6 release date is set to drop on Sept. 19. Apple fans are excited to have the new software that will include several new features for iPhone users. iOS 6 release date will be sometime on Wednesday; Apple will declare the exact time tomorrow. The software will be available for iPhone 3GS, iPhone 4, 4S, iPad 2, and new iPad users. However, some features, including turn-by-turn navigation on the Maps app, will not be available for 3GS users.