How to Save Space Using Built-In iOS Storage Features

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Starting with iOS 11, Apple began offering a new feature that provides suggestions on how you can save space on your iOS device. These built-in space-saving suggestions, which can be found in the Settings app, can help you free up space on your iPhone when storage space is running low.

Toggling on Space Saving Suggestions

  1. Open the Settings app.
  2. Scroll down and tap on "General."
  3. Choose "iPhone Storage."
  4. Tap "Enable" on any of the suggestions Apple provides to turn them on.

Offload Unused Apps

One of Apple's suggestions is to automatically delete unused apps when the storage space on your device is low. If you enable this feature, Apple will delete apps you don't use often, while saving the documents and data so you can download them again and pick right back up where you were if necessary.


You can also offload individual apps by selecting them from the list of apps located just below all of Apple's suggestions.

Auto Delete Old Conversations

With "Auto Delete Old Conversations" enabled, Apple will automatically delete all messages and attachments that were sent over a year ago. This can save significant space, but be aware that once gone, there's no getting those messages back.

Review Large Attachments

The "Review Large Attachments" feature lets you see a list of the largest files on your device, located in Photos, Mail, and Messages. A tap will let you view a file up close, and a swipe to the left on an item in the file list will bring up an option to delete it. You can mass delete files by tapping on the "Edit" button in the upper right corner of the device.


Along with these three options for storing space, the Storage section of the Settings app also displays all of the apps you have installed, with the app using the most storage space at the top. It also lets you know how long ago the app was last used, making it easy to cull items that aren't used often.

Depending on what's installed on your device, you may or may not see all of these storage options, but if you're getting low on space, they should appear.

Top Rated Comments

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39 months ago
Offloading your apps sounds risky to me. It ends with "if the app is still available in the App Store" - not sure about you guys, but when MacRumors tells me something will likely be remove from the App Store, I jump on it.

IE, I have Floppy Cloud on my iPhone, the app that has a secret NES emulator in it - just put an NES ROM in Dropbox and the app will load up and run the game. I also have a "flashlight app" on my iPhone that actually enables tethering without paying your carrier.
Score: 3 Votes (Like | Disagree)
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39 months ago
Welcome features. Thanks for the tips!
Score: 2 Votes (Like | Disagree)
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39 months ago
Is there any way to 'select all' rather than tapping each large attachment?
Score: 2 Votes (Like | Disagree)
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39 months ago
Would be better if we could delete the apps cache
Score: 1 Votes (Like | Disagree)
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39 months ago
I don't understand why my System says 6GB while some friends report just 1GB. What's going on?
Score: 1 Votes (Like | Disagree)
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39 months ago

Should this only delete the attachment in the message, and not from the photo library?

Yes, this is only to clear up space associated with each app, so getting rid of the image/video/pdf attachments in Messages will not remove them from the photo library.
Score: 1 Votes (Like | Disagree)

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