Slow iPhone? Running out of storage? Clearing the cache on your iPhone could help.
There are a number of ways to improve your iPhone’s performance, but clearing its cached data is a quick and easy way to give it a jolt.
You don’t need to clear your iPhone’s cache every single day, but it’s probably a good idea to do it every so often so that the data doesn’t bog down performance.
If your iPhone is running poorly or you just want to quickly clean up its internal storage without deleting photos and videos, here’s how to clear the cache on iPhone.
How to Clear Cache on iPhone
If you’re a Safari user, you’ll want to get rid of cookies and other data. If you use Safari on other devices, this will also clear the data on those if they’re logged into the same iCloud account.
- Head into your Settings app.
- Scroll down to Safari.
- Scroll down to the Privacy & Security section and tap on Clear History and Website data.
- A window will popup and you’ll want to tap on Clear History and Data.
As Apple notes, this will remove your browsing history, cookies, and other browsing data. It will not, however, clear AutoFill information.
If you aren’t a Safari user you may not have much data to clear out. In that case, you’ll want to check on your third-party applications.
The process will be a little different for each application. For instance, if you use Slack, you’ll need to head into the app’s settings via the Settings app and toggle Reset Cache on Next Launch to on.
If you use Google’s Chrome browser, you’ll need to head into the app itself and tap the three horizontal circles in the bottom right corner. They’re in the top right corner if you haven’t updated to Chrome’s new design.
Once you’re in there, tap Settings, tap Privacy, and now tap Clear Browsing Data. You can now select what you wish to delete. If you’re noticing heavy lag, you might want to clear everything.
Some apps won’t give you a clear and obvious way to clear the cache. In that case, we recommend taking a look at your iPhone’s storage. Here’s how to do that.
- Head into the Settings app.
- Go into General.
- Tap iPhone Storage.
This section will give you an overview of your apps and how much space they’re hoarding. If you scroll down, you can see which apps are taking up the most space. In a lot of cases, it’s probably the Messages app.
If you tap on an app, iOS will give you a readout and provide you with a few options to help manage storage. This is useful if you notice an app you rarely use taking up a ton of space or an app you use frequently taking up more space than you’d prefer.
In some applications you’ll notice two options: Offload App and Delete App. If you offload an app, it will be unloaded from your iPhone but you’ll retain all of the data which is practical if you think you might use the app in the future. All of your data will be restored if you reinstall the app.
Deleting the app removes the app from your phone and it also deletes your data. If you never use an application and it’s taking up a bunch of storage, think about deleting it.
If you’re the forgetful type, you can tell iOS to automatically Offload Unused apps. Here’s how to do that:
- Go into Settings
- Go into General
- Tap iPhone Storage
- On that screen, you should see a blue Show All icon on the right hand side. Tap it.
- On the next screen, you’ll want to tap the blue Enable button next to Offload Unused Apps.
iOS will only offload apps if your iPhone is dangerously low on storage.
Install iOS 14.6 for Better Security
If security is important to you, think about installing iOS 14.6 right away.
iOS 14.6 brings 38 important security patches to the iPhone. If you're curious about the particulars, you can read about them right here.
If you skipped iOS 14.5.1, you get the update's two security patches on board. You can read about them over on Apple's website. Both are related to WebKit.
If you missed iOS 14.5 you'll get its patches with your upgrade. You can read more about those changes over on Apple's website.
iOS 14.5 also brought Apple's new App Tracking Transparency which lets you control which apps are allowed to track your activity across other companies' apps and websites for ads or sharing with data brokers.
If you skipped iOS 14.4.2, you get its security patch with iOS 14.6. You can learn more about that patch over on Apple's website as well.
If you missed iOS 14.4.1, you get its patch with your upgrade to iOS 14.6. You can read about that patch right here.
If you skipped iOS 14.4, you get the update's patches with your upgrade. You can learn more about iOS 14.4's security patches right here.
If you skipped iOS 14.3 you'll get its nine security updates with your upgrade. You can read more about them on its security site.
iOS 14.3 also included a new privacy information section on App Store pages that includes a developer-reported summary of the app’s privacy practices.
If you skipped iOS 14.2, your iOS 14.6 update includes 24 additional security patches. You can learn more about the patches on Apple's security website.
If you're still running iOS 13, iOS 14.6 includes iOS 14.0's security updates.
iOS 14.0 brought 11 new security patches to the iPhone. If you're interested in the exact nature of these improvements, you can read about them over on Apple's website.
In addition to those patches, iOS 14 comes with some security and privacy upgrades including improvements to Home/HomeKit and Safari.
For instance in Safari, you can now tap the Privacy Report button to better understand how websites handle your privacy.
With iOS 14 on board you can now get information on the App Store that will help you understand the privacy practices of apps before you download them.
There is also a new recording indicator that will appear at the top of your screen whenever an app is using your microphone or camera. You can see if an app has used them recently in Control Center.
Researchers also discovered that Apple brought a new "BlastDoor" sandbox security system to iOS 14. The system is meant to prevent attacks from occurring via the Messages app.
You can read more about "BlastDoor" right here.
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