Your iPhone is just like every other piece of technology: it needs a little routine maintenance. And while you should keep it in good physical condition, like regularly cleaning its screen, some of it should happen digitally, too. Even behemoths like the new iPhone 14 Pro and Pro Max can get bogged down if you’re not keeping them optimized. One of the simplest pieces of upkeep is clearing your iPhone cache every month.
Whether you’re browsing in Chrome, Safari, or elsewhere on your iPhone, your cache builds up digital clutter over time. Clearing your cache gives your browser a fresh start, which can speed up your browsing whether you’re using iOS 15 or iOS 16. (And if you’re trying to get your phone to run faster, try managing your iPhone’s storage.)
Think of your browser cache as a digital storage closet. Over time, an iPhone stores website data like photos and banners in that closet so it can retrieve them when you visit a site. Most of the time, this speeds up your browsing. Before too long, though, that closet starts to get cluttered, and the contents may no longer match what you need.
Eventually, your browser’s cache becomes outdated, and the data being retrieved no longer matches the data being used on the website. The result? slower loading speeds and wonky formatting.
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That’s why clearing your cache can help: It gives sites a fresh start in your browser and frees up some space in your storage. Note that clearing your cache will sign you out of sites you’re currently logged into. Still, it’s generally worth that mild inconvenience every month or so to keep things moving quickly.
Here are step-by-step guides on how to clear your cache on your iPhone based on the browser you use. 
Image: Make Your iPhone Faster by Clearing the Cache
How to clear your iPhone cache in Safari
Safari is the default browser on iPhones, and you can clear your Safari cache in a few short steps. Starting with iOS 11, following this process will affect all devices signed into your iCloud account. As a result all your devices’ caches will be cleared, and you’ll need to sign in to everything the next time you use them. Here’s what to do.
1. Open the Settings app on your iPhone.
2. Select Safari from the list of apps.
3. Go to Advanced > Website Data.
4. Scroll down and select “Remove All Website Data.”
5. Choose Remove Now in the pop-up box.
Then you’re set!
How to clear your iPhone cache in Chrome
Chrome is another popular browser for iPhone users. The overall process for clearing your Chrome cache requires a few more steps, and you’ll need to do things through the Chrome browser itself. Here’s how.
1. Open the Chrome app.
2. Select the three dots in the bottom right to open more options.
3. Scroll across the top and select Settings.
4. Select Privacy and Security in the next menu.
5. Then select Clear Browsing Data to open up one last menu.
6. Select the intended time range at the top of the menu (anywhere from the last hour to all time).
7. Make sure that cookies and site data are selected, along with cached images and files. Finally, hit “Clear Browsing Data” at the bottom of the screen.
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How to clear your iPhone cache in Firefox
If you’re a Firefox devotee, don’t worry. Clearing the cache on your iPhone is pretty straightforward. Just follow these steps.
1. Click the hamburger menu in the bottom right corner to open up options.
2. Choose Settings at the bottom of the menu.
3. Select Data Management in the Privacy section.
4. You can select Website Data to clear data for individual sites, or select Clear Private Data at the bottom of the screen to clear data from all selected fields.
What happens when you clear the cache?
Clearing your cache removes the website data your phone stored locally to prevent having to download that data upon each new visit. The data in your cache builds over time and can end up slowing things down if it becomes too bulky or out of date. (My phone had about 150MB of data stored in Chrome when I checked.) Clearing that data gives sites a fresh start, which may fix some loading errors and speed up your browser. However, clearing your cache also signs you out of pages, so be prepared to sign in to everything again.
How often do I need to clear my cache?
Most people only need to clear their caches once every month or two. That’s generally the point when your browser will build up a cache large enough to start slowing things down. If you frequent a large number of sites, you should err on the side of clearing your cache more often.
