You can follow these steps to fix the spinning wheel on your iPhone via a hard reboot of your iPhone: iPhone 8 and Later: Press and release the Volume Up and Volume Down buttons in quick succession. Next, press and hold the Side button until the Apple logo appears to hard reboot your device. iPhone 7 and 7 Plus: Simultaneously, press and hold the Volume Down and sleep/Wake buttons and release them when the Apple logo is visible. iPhone 6 and Older: To hard reboot your iPhone, press and hold the Sleep/Wake and Home buttons until you see the Apple logo.