Skip to main content

How to manage your iPhone photo and video storage

iCloud photos feature image
Jackie Dove/Digital Trends

When you need to free up room on your iOS device, the first place to look is the Photos app. But you don't have to set up any elaborate plans to remove images from your phone to park them elsewhere — not if you're using the iCloud Photo Library. An obscure control in the Photos settings called Optimize iPhone Storage stores only the thumbnails, not your original photos and videos, letting you save space while keeping your images accessible. As long as you have enough space on iCloud to store your originals, you can keep as many photos and videos as you want without maxing out your handset.

Recommended Videos

Difficulty

Easy

Duration

5 minutes

What You Need

  • Apple iPhone

Apple's iCloud Photo Library is a huge convenience — it stores and displays your photos on all your devices. If you're running out of space on some of those devices, deleting photos from your camera roll also deletes them everywhere, which is not what you want.

Set up iCloud Photo storage

Instead of deleting images, you can save on the space they take up when stored at their original resolution. With iOS 15, you can enable the Optimize iPhone storage control in your Photos settings, which lets your iPhone convert your high-resolution images into lightweight thumbnails. The original photos still reside in iCloud, and you can also back them up on your Mac or an external drive. Using this optimization control gives you the best of both worlds: All your photos are available to you whenever and wherever you want to see them, and you get to salvage your storage space. Here's how to set it

Step 1: Tap Settings > [your name].

iOS 15 Settings app.
Image used with permission by copyright holder

Step 2: Tap iCloud > Photos.

iOS 15 iCloud pointer.
Image used with permission by copyright holder

Step 3: Switch on iCloud Photos.

iOS 15 iCloud photo storage setting.
Image used with permission by copyright holder

Step 4: Check Optimize iPhone storage.

If you check Download and keep originals, all photos you shoot on your iPhone stay on your handset in full resolution. Plus, any photo that you take, store on your Mac, or otherwise store on your iCloud Photo Library will also download to your iPhone in high resolution.

Optimize iPhone storage will not immediately change your images into thumbnails. You could see a combination of thumbnails interspersed with original, high-resolution images if your phone has enough memory to support them. 

iOS 15 photo toggle switch.
Image used with permission by copyright holder

Your phone’s storage works in the background to keep track of images you’ve recently viewed compared to how much storage you use for apps and downloads. It will always keep the most recent media shot or viewed in high resolution. Other factors involved include the amount of storage space and memory that your phone has and the number of images on your phone.

People with lots of space on their phones will have more high-resolution images and videos stored locally than those with less space. Don’t worry about losing your high-resolution images when your phone compresses them to save space. You can always revert compressed photos to their initial form by downloading them. You will see the compressed images downloading in real-time, as they have a download circle at the bottom right as they flow in from iCloud.

Jackie Dove
Former Contributor
Jackie is an obsessive, insomniac tech writer and editor in northern California. A wildlife advocate, cat fan, and photo app…
iOS 26 rumored to go back to basics with four intriguing upgrades
An iPhone 15 Pro Max running iOS 18, showing its home screen.

In just two days from now, Apple will take the stage at WWDC 2025 and showcase the big yearly upgrades for its entire software portfolio. I am quite excited about the platform-wide design update and a few functional changes to iPadOS, especially the one targeting a more macOS-like makeover for the iPad’s software. 

Of course, analysts will be keenly watching for Apple’s next moves with AI, but it seems some of the most dramatic features have been pushed into the next year. Apple can afford some of those delays, as long as the company serves enough meaningful updates to its user base. Apple won’t exactly be running dry on AI, though. 

Read more
iPhone 17 price looks more certain to rise for first time since the iPhone 12
Apple might be preparing its first iPhone price increase in five years
iPhone 16 Pro Max next to the 16 Plus, 16 Pro and regular iPhone 16

For years now, Apple has launched the base model iPhone at $799 - but in 2025, more and more signs are pointing towards prices being increased for the introduction of the iPhone 17.

The likelihood of an iPhone 17 price increase was raised by the Wall Street Journal in May, and now Counterpoint Research notes in its recent 2025 shipment forecast that "cost increases are expected to be passed on to consumers" by not only Apple, but Samsung as well.

Read more
5 rumored iOS 26 features we could see at WWDC 2025
An iPhone 16 laying on a shelf with its screen on.

Apple’s upcoming WWDC 2025 showcase is going to be a busy one, even though the expected AI-powered software rebirth may not land until next year. In the meantime, reliable sources have spilled the beans on what we might expect for the next major iOS overhaul. 

Starting with the name, Apple could skip iOS 19 and could go straight from v18 to v26. We are also expecting a design overhaul, something that could draw inspiration from Vision OS. On the functional side, an AI health coach would be a huge draw for fitness enthusiasts. 

Read more