iOS Storage Management: Optimize the Full Space on iPhone

This article describes the ways of iOS storage management. Follow the guide, you can know why you need to manage iPhone storage and how to optimize the full storage space on iPhone.

Clara by Clara Updated November 21, 2023
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Why You Need to Do An iOS Storage Management?

When it comes to iOS storage management, keeping your iPhone's storage space in check is crucial for optimal device performance. Just as our physical living space requires organization and cleaning, the storage space of our phones also needs management and maintenance.

ios storage management

What happens when iPhone storage Is full? It can lead to various issues, including limited app functionality, inability to install updates, slower Performance, and so on. To ensure smooth operation, let's explore the effective ways to optimize the full space on iPhone!

How to Manage Full Storage on iPhone

If you want to learn how to manage iOS storage, check your iPhone storage first: Open Settings > General > iPhone Storage to figure out how much storage space is being used. In the next article, we will share you with 5 options to optimize the iPhone storage after you have prepared. Let’s read on!

ios storage management

Preparation: Backup Important Files on iPhone

Before you take measures to do an iPhone storage management, ensure you have backed up your important data to a safe place. You can back up iOS device to iCloud or iTunes. However, they perform at a slow speed, and only allow you to back up everything but don’t support you in selecting the files you need. So, we strongly suggest you use a better iOS management tool - FoneTool.

FoneTool is a professional software, that provides a fast speed and can help you transfer and backup iPhone to iPad/PC/iPhone, or other external devices. You can choose to back up all your iPhone data with a few simple clicks, or just selectively back up your files on the iOS. It will list your files by data type so you can quickly preview the data you need.

Now, tap the download button to install FoneTool and backup the important iPhone data before you manage your iOS storage space.

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Step 1. Connect your iPhone to your PC via a USB cable > Launch FoneTool > Select Phone Backup.

Step 2. Choose Selective Backup > Tap on Get Started. (If you need a fully backup iPhone, choose Full Backup.)

ios storage management

Step 3. Check the file icon > Tap Backup Storage Path to set a location to save the backups > Click the Start Backup button to start.

Tips: FoneTool supports you in backing up photos, music, videos, contacts, messages, etc.

ios storage management

Once the backup is complete, you can go to the Backup History page to view and restore the backup.

Option 1. Clear the Caches on the iOS

The first option to manage your Apple phone storage space is to clear the caches. The cookies and caches of applications will build up over time and consume storage space. Regularly clearing these unimportant data can help you free up the iPhone memory. The steps are simple below:

Step 1. Open Settings > General > Find iPhone Storage to check storage usage.

Step 2. Select an app and tap Offload Used App to remove it.

ios storage management

Step 3. You can choose to Delete App or clear some contents on the Documents & Data or Cache.

Option 2. Erase All Contents on iPhone

Another way to solve the “iOS storage management” issue is to erase all content and settings on your iPhone. This feature performs a comprehensive reset of your iPhone. After the procedure, all app data and settings associated with the apps on the device will be removed. So you’d better back up your essential data by the steps mentioned above.

Below is the guide about how to do it:

Step 1. Go to Settings > Locate General > Tap Reset.

Step 2. Select Erase All Content and Settings > Click Erase when a dialog box appears.

ios storage management

Step 3. If it is prompted, enter your Passcode and Apple ID password > And your iPhone will be factory reset immediately.

Option 3. Turn on Photo Library Service

Turn on iCloud Photos and check the optimize feature also a good way to manage your iPhone storage capacity. When the device is low on space, it will save smaller photo files locally instead of the original version. These full-resolution photos and videos are stored in iCloud and you can download them as needed.

But notice that iCloud only provides 5 GB space for free storage, if you need more space you can pay for it or learn how to free up iCloud Storage.

Here’s the step to open the Photo Library Service.

Step 1. Open the Settings app on the iPhone.

Step 2. Look for the iCloud option > Tap Photos.

Step 3. Turn iCloud Photos on > Check Optimize iPhone Storage.

ios storage management

Option 4. Followed by the Recommendations

When iPhone storage is full, a quick way to free up space is to follow the recommendations. On the storage screen, you can see the suggestions given by Apple. Tap the Enable button to run the cleanup process.

Option 5. Erase the Messy Data on iPhone

Besides helping you transfer and back up iOS to avoid losing data, FoneTool also offers an erase feature to help you achieve iOS memory management. You can use it to erase your private data, such as photos, music, videos, messages, Safari history, and etc. Follow the guide to delete the messy data on your iPhone.

Step 1. Launch FoneTool on your PC > Connect your iPhone to the computer with the USB cable.

Step 2. Navigate to Toolbox > Select Data Eraser.

ios storage management

Step 3. Choose Erase private data > Click Get Started.

ios storage management

Step 4. Tap each icon that needs to be erased > Check Enable Deep Erase Technology if you need them unrecoverable > Then click Start Erase.

ios storage management


That’s all about the topic of iOS storage management. Having full mobile phone memory is a problem that most people will encounter. You can use the 5 methods mentioned above to optimize your iPhone’s storage space. We recommend you clear the caches or erase the messy data with FoneTool. They are easy to complete and effective. Don’t forget to back up your iPhone before you free up the storage space on it.

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