Open Finder or iTunes on the Mac or PC.Ģ. Start by connecting your iPhone via USB to a Mac or PC.Ģ. We’ve covered everything you need to know about entering and using Recovery Mode on the iPhone in a separate post, but here’s a brief rundown:ġ. To fix that, you must reinstall or reset iOS in Recovery Mode. If your iPhone force-restarts but continues to display the black screen with a loading circle, you’re likely dealing with corrupt system software. On the iPhone 6s, iPhone 6s Plus, and older iPhone models, press and hold both the Home and the Side/ Top buttons until you see the Apple logo on the screen. If you use an iPhone 7 or iPhone 7 Plus, hold down the Volume Down and Side buttons at the same time and release them when you see the Apple logo on the screen.