How to Close All Tabs on iPhone
Step 1: Open Safari
Open the Safari app on your iPhone. You can find the Safari icon on the home screen.
Step 2: Access the Tabs View
Once you have opened Safari, tap the tabs button on the bottom-right of the screen. This will take you to the tabs view.
Step 3: Close All Tabs
Once you are in the tabs view, you will see a list of all the open tabs. Tap the “Close All Tabs” button on the bottom-left of the screen and all of the open tabs will be closed.