Restarting or force-restarting your iPhone can be an effective form of troubleshooting. You may need to restart or force-restart your iPhone when it runs into software bugs that cause the phone to run slowly, its sound to stop working, or for any number of other inconveniences. Most iPhone glitches aren't permanent; you can generally solve unusual behaviors by restarting your iPhone. It takes just a few seconds to "reboot" your phone, though the button combination varies depending upon which