How to Fix MTG Arena Not Enough Disk Space on Phone/Mac/PC

Part 1. How Much Space Does MTG Arena Take Up in 2026?

Before fixing the problem, it’s important to understand how much space does MTG Arena take up and why the game may demand more space than expected.

How Big Is the MTG Arena File Size?

MTG Arena computing space requirements vary depending on platform, updates, and cached content.

• On Computer: Full installation after updates: 8-10 GB
• On Mobile (iPhone): Full installation after updates: 2-4 GB
• On Mobile (Android): Full installation after updates: 3-5 GB

This means MTG Arena often requires more free space than its final installed size, which explains why users see the error even with several gigabytes available.

Why Does Magic: The Gathering Arena Say Not Enough Space?

The MTG Arena not enough disk space error usually occurs for one or more of the following reasons:

• Temporary files require additional space during installation
• System-reserved storage limits (especially on iOS)
• Cached game data from previous failed installs
• Fragmented disk space on Mac or Windows
• Background apps are consuming storage silently
• App Store or launcher is miscalculating available space

Understanding these causes helps explain why simply “having free space” isn’t always enough.

Part 2. How to Fix MTG Arena Not Enough Disk Space on iPhone/Android

Mobile users often experience this issue due to strict system storage rules, especially on iOS.

1. Turn off Game Mode on iPhone

Some iPhones enable Game Mode automatically, which can interfere with downloads. This method is best for users stuck on the loading or downloading screen, but it is not available on all iOS versions.

Here is how to solve the MTG Arena not enough disk space iPhone error:

• Open any game on your iPhone and wait for the “Game Mode On” notification.

• Alternative: Open Settings > Game Center, toggle off Game Mode. Then force quit and restart MTG Arena.



• Tap this notification and tap “Game Mode On” to disable it. Now it must show "Game Mode Off."

2. Shake the iPhone During Loading

iPhones come with this built-in Shake-to-Undo feature that is usually used when typing. However, sometimes this may unexpectedly help with the MTG Arena game.

• Start downloading MTG Arena by searching for it in the App Store.

• When stuck, gently shake the phone

• Wait for the download to resume

3. Restart iPhone/Android Device

A restart clears temporary system caches that may block installations. This fix may work if your storage space is very low. Follow the steps below to fix MTG Arena not enough disk space on Android and iOS:

• Hold the “Power/Power+Volume" button and select "Restart" on your mobile.



• Now, try downloading the game again.

4. Auto-Offload / Offload App Data

Offloading unused apps frees space without deleting personal data. If you have a lot of unused apps, but you may need them sometimes, offloading clears storage without deleting the data of that app.

• Go to "Settings" on your iPhone and "General," then go to "iPhone Storage."

• Enable the “Offload Unused Apps” option and try downloading MTG again after some time when your storage space is free.

Part 3. How to Fix MTG Arena Not Enough Disk Space on Mac/Windows

Desktop platforms offer more control, but leftover files and caches often cause the issue.

1. Delete Large Files & Free Up Disk Space Safely and Thoroughly (for Mac)

When MTG Arena refuses to install or update on macOS, the real problem is often hidden storage hogs rather than the game itself. Large files, duplicate data, and accumulated junk can quietly consume gigabytes of space, triggering the MTG Arena not enough disk space error even when your Mac appears to have free storage.

In this case, you can use Tenorshare Cleamio. It intelligently scans the Mac and allows you to delete junk files, large files, and similar images that take up a lot of unnecessary space.

This method focuses on safely identifying and removing unnecessary files without touching critical system data, making it the most reliable fix for Mac users.

• Download and install Tenorshare Cleamio on your Mac and open it. Now select “Junk Files” and click “Scan” to begin scanning.



• When the scan is complete, you can select the directories and choose files that you want to delete, then click "Smart Cleanup."



• Similarly, delete the "Duplicate Files, Similar Photos, and Large Files" that are unnecessarily taking up space on your Mac.

2. Delete Caches and Temporary Files (for Windows)

On Windows PCs, temporary files and system caches frequently build up in the background, especially after failed downloads or repeated game updates. These hidden files can block new installations and lead to misleading storage warnings.

Clearing cached data is a fast and effective way to reclaim MTG Arena hard drive space without uninstalling apps or deleting personal files. This approach works best when your PC has adequate storage in specifications, but still refuses to download or update MTG Arena.

• Press “Win + R” on your keyboard and run the command “%temp%”

• Select all the files there by pressing "Ctrl + A" and pressing "Shift + Delete" to permanently delete them from your computer, then restart the computer.

3. Reinstall the MTG Arena App

If clearing storage does not resolve the issue, the MTG Arena installation itself may be corrupted or incomplete. Residual files from previous installs can confuse the launcher and repeatedly trigger the MTG Arena not enough disk space PC error.

Performing a full uninstall followed by a clean reinstallation ensures all leftover game data is removed. This method is especially useful after interrupted updates, failed patches, or multiple installation attempts on the same system.

• Open your "Epic Games Launcher" and go to the MTG Arena game in "Library."

• Click the "Options/3-dots" button and select the "Uninstall" option, then wait as the game completely uninstalls.

• Go to the Epic Games Launcher home and install the "MTG Arena" game again by clicking "Install."

Part 4. What to Do If MTG Arena Still Won't Download or Open

If the issue persists, try these additional fixes.

1. Completely Uninstall Leftover App Files

Incomplete uninstalls often leave gigabytes of hidden data (See: How to show hidden files on Mac). Using a cleanup tool on Mac or manually checking folders on Windows helps ensure nothing is left behind. You can check out our previous guide to fully uninstall leftover app files: How to Remove Leftover Files on Mac.

2. Check MTG Arena Official Server Status

Sometimes the issue isn’t your device.

• Check the MTG Arena official server status page.

• Make sure that the game is operational.

3. Contact Wizards of the Coast Support

If nothing works:

• Submit a support ticket if MTG Arena is not opening.



• Include complete details of the error, including device storage details

Conclusion

The MTG Arena not enough disk space error is rarely caused by low storage alone. Temporary files, system limits, and leftover data are often the real culprits.

By freeing space properly on iPhone, Android, Mac, or PC, and using tools like Tenorshare Cleamio on macOS for safe, thorough cleanup, most users can resolve the issue quickly. Once cleaned, MTG Arena installs and updates far more smoothly.

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