8 Restart Your iPhone
It’s a good idea to restart your iPhone when you run into problems, sluggishness included. This will clear out the memory on your device and can even fix apps that are running into problems.
You can do this by simply powering your iPhone down, or using a Force Restart. The exact method varies depending on the exact model of iPhone or iPad that you have, so check our guide on Shutting Down and Force Restarting to find out how to do so on your own device.