Hello everybody. I need help. I have replaced my iPad Air unit 2 times because its crashing in all apps. My latest unit is also crashing BUT Apple won´t replace it because they don´t know if its hardware and software problem. I have waited over 1 month for a solution with the latest unit, I have send over 4,000 logs to their engineers and talked with a relation manager on Apple Care for this problem, I also have contact with one senior techguy. I have no idea how I'm going to take me further in this matter and it feels like Apple taking advantage of me and slows down everything just to avoid having to fix anything. I bought the unit in January and the latest replacement was in marsch in an local Apple Store. Someone out there with the same problem or some tips for me? Thanks. Update: See post #19. Following advice from users, I've done a DFU installation. Result: Crashing in Safari. No apps installed, just core iOS-apps. No connection at all to iCloud. Update 2: Seems that some people think that only the Safari.app crashes but that is not the case. Also crashing: Facebook.app, Pages.app, Message.app, Mail.app, Notes.app and so on. The quickest way to test if the device behaves strangely is to start with Safari. After some usage begins apps crash too. Core iOS apps start crashing even if no third party applications are installed. And it does not matter if you are connected to wifi, 3G/4G or with flight mode.