Apple iPhone 15

iOS 17

iOS 18 iOS 17

My Apple iPhone 15 iOS 17 is slow

Cause 1 of 2: There are too many running applications

If you've used many applications on your phone, it may get slow because the applications keep running in the background.

Step 1 of 3

End running applications

Slide your finger slowly upwards starting from the bottom of the screen until the list of running applications is displayed.

Step 2 of 3

End running applications

Slide upwards on the required application to end it.

Step 3 of 3

Return to the home screen

Slide your finger upwards starting from the bottom of the screen to return to the home screen.

Slide your finger slowly upwards starting from the bottom of the screen until the list of running applications is displayed.

Slide upwards on the required application to end it.

Slide your finger upwards starting from the bottom of the screen to return to the home screen.