If your iPhone ever experiences odd technical problems, the first thing you should try is a good, old-fashioned restart. You’ll be surprised how many problems you can fix by simply rebooting your phone.
Restarting your iPhone is just like restarting a computer. All of the apps and software will be reset, and you shouldn’t lose any saved data.
If a particular app you’re using is acting up, you can always force-quit it and open it again to reset it. But if there’s a deeper underlying problem with your phone’s software, like if Bluetooth accessories aren’t working or phone calls suddenly won’t connect, you should restart your iPhone.
Here’s how to do it with any model of iPhone.