If your iPhone is slow, there’s a chance that the problem is coming from your browser. It is important to clear your cached data if you want your iPhone to work at its best. Here’s how to clear your cache on your iPhone, no matter which browser you use.
What is Cached Data?
Cached data is all the information from a website stored on your phone to make browsing faster. Basically, cached data helps save you time when you’re loading a page. And while the files are really small, if you haven’t cleared them out in a while, all those little files end up taking up a lot of space.
How to Clear Safari Cache on iPhone:
- Open the Settings app. This is the app with the gear-shaped icon.
- Then scroll down and tap Safari.
- Next, scroll down and tap Clear History and Website Data. This is highlighted in blue text near the bottom.
- Finally, click Clear History and Data.

How to Clear Chrome Cache on iPhone:
- Open the Chrome app and tap the “More” button. This is on the bottom right corner of your app, and it looks like three dots …
- Then tap Settings.
- Next, tap Privacy. It has an icon like a shield with a checkmark in the middle.
- Then click on Clear Browsing Data. This is at the bottom of the screen.
- Make sure that the Cookies, Site Data is selected.
- Finally, tap Clear Browsing Data.

How to Clear Firefox Cache on iPhone:
- Open the Firefox app.
- Tap the Menu icon. This is the icon shaped like three lines in the bottom-right corner of your screen.
- Then tap Settings.
- Scroll down and tap Data Management.
- Make sure Cache is selected. You will know it is selected if the toggle bar is blue.
- Then tap Clear Private Data.
- Finally, tap OK.
How to Clear Edge Cache on iPhone:
- Open the Edge app.
- Tap the Menu icon. This is the icon shaped like three dots in the bottom-right corner of your screen.
- Then tap Settings.
- Next, tap Privacy.
- Then tap Clear browsing data.
- Make sure Cache is selected.
- Then tap Clear browsing data.
- Finally, tap Clear.
If you still notice your iPhone is running slow after clearing your cache, you might have a virus. Check out our previous article on how to remove a virus from your iPhone by clicking this link.