Having too many tabs opened in Safari can dramatically slow down your iPhone. But closing hundreds of tabs individually is a tedious and time-consuming process. Here’s how to quickly close all Safari tabs on an iPhone.
How to Close All Safari Tabs on Your iPhone
Open the Safari app on your iPhone.
Long press and hold the squares in the bottom right corner. (On iPhones, it’s at the bottom of the browser in portrait mode or at the top in landscape mode. )
Tap on “Close All” [x] Tabs.
Finally, tap Close All XX Tabs to confirm.
Close All Tabs With the Settings App
Open the Settings app on your iPhone. Then tap Safari.
Next, select Clear History and Website Data.