How to Clean iPhone System Storage

by Jenefey Aaron   Updated on 2019-07-25 / Update for  Optimize iOS

iPhone ranks highly on the list of the most popular smartphones. However, with all its features, it is not uncommon for your iPhone to lack storage. That Apple offers only 5 GB of free storage on iCloud and the fact that there's no SD card slot on the iPhone doesn't help the course. Simply put, space counts, but it counts more when you have an iPhone. Users, therefore, need to know how to clean iPhone system storage so that they can free up space on them. This article explains the different methods of how you can free up system storage on iPhone X/8 (Plus)/7/6/6s/5.

Method 1: Optimize Photos and Offload Apps

If iPhone system storage is taking too much space, you can clean it by optimizing photos and using the Offload app feature on iOS 11 devices.

Step 1: Launch Settings and go to General > iPhone Storage.

Step 2: Under Optimise Photos, tap Enable to save full size photos in iCloud and small version photos on your iPhone.

optimize photos

Step 3: Tap Review Large Attachments > Edit, select the photos you wish to delete and tap the delete icon in the top right corner.

delete imessage photos and videos

Step 4: To delete unused apps, tap the Enable button next to Offload Unused Apps. (The app data and documents won't be deleted.)

Step 5: To selectively offload apps, scroll to the list of apps, tap an app then tap Offload App.

offload app

Step 6: Confirm by tapping Offload App.

Method 2: Reset your iPhone

Since you'll lose all your data after resetting your device, you'll need to back up your device's data either with iTunes or iCloud.

Step 1: Navigate to Settings. Tap on General then proceed by tapping Reset.

Step 2: Under it, tap Erase all Content and Settings.

erase all content and settings

Step 3: Reinstall all the apps for the App Store. (Note: Some in-app purchases, e.g. consumables like lives in a game app.)

Method 3: Delete and Reinstall Apps

From the list of apps displayed in Method 1 above, you can easily know which apps are taking the most amounts of data then follow the procedure below.

Step 1: Tap and hold the apps icon till it wiggles.

Step 2: Tap the 'x' symbol at the top left corner of the app.

delete apps

Step 3: Launch the App Store and navigate to the Purchased section and download any apps you had installed.

Method 4: Using Tenorshare iCareFone

Want to clear iPhone storage space? Tenorshare iCareFone is a great tool that enables you to free up space on your iOS device by cleaning it up and in doing so, boosts your iPhones performance. Follow the procedure below.

Step 1: Download install and run Tenorshare iCareFone on your Mac or PC.

Step 2: Connect your iPhone to your computer and click on "Clean&Speed up".

main interface

Step 4: Click Quick Scan. Once the scan is completed, click the Clean button next to each file you wish to clean e.g. temp files, junk files, photos, large files and unwanted apps.

cleanup scan results

For detailed guide, please refer to below video.


Is your iPhone system storage full? Other ways to clean up your iPhone include, disabling system languages that aren't in use, for VoiceOver switch off high-quality voices, and removing custom dictionaries. However, to make things easier, I strongly recommend you to take Tenorshare iCareFone into consideration.

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  Updated on 2019-07-25 / Update for  Optimize iOS

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