![]() ![]() □ Quick shortcut: when you fire up the simulator you’ll notice that a new icon appears in the dock. I’ve set the icon to stay in the dock, and now I can launch the simulator without even launching Xcode first. Important:The information in this document is deprecated in Xcode 9. For Xcode 9 and later, see Simulator Help by choosing Help > Simulator Help in Simulator. ![]() Simulator app, available within Xcode, presents the iPhone, iPad, or Apple Watch user interface in a window on your Mac computer. You interact with Simulator by using the keyboard and the mouse to emulate taps, device rotation, and other user actions. The chapter presents the basics of using Simulator. If you’re using a beta, or preview, release of iOS on your phone or tablet, downgrading is easy.You can perform these steps using your own iOS app or, if you do not have an app to use, with the HelloWorld sample code. This process will erase everything on your iPhone or iPad, however. RELATED: How to Reset Your iPhone or iPad, Even if it Won't Boot Device backups created using the beta version of iOS won’t restore to the old version of iOS, so you’ll need to either restore an old backup or set things up from scratch afterwards. To restore your device to the stable version of iOS, you’ll need a Mac or PC running iTunes and a cable to connect your iPhone or iPad to that computer. Turn off your iPhone or iPad by holding down the Sleep/Wake (Power) button until the Power switch appears and sliding it to the right. Plug the cable into the computer, but not the iPhone or iPad. Press and hold the Home button on your iPhone or iPad - and keep holding it down. Plug the cable into your iPhone or iPad and keep holding the Home button down until the “Connect to iTunes” screen appears. You’ll see a cable pointing at an iTunes icon. ![]() Launch iTunes if it doesn’t automatically appear. ITunes will inform you that there’s a problem with your device. ![]()
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