System data taking up WAY too much storage

How do I get my system data down? I have a 128 GB phone and the system data is taking up 83 GB. How do I fix or lower this because my entire phone stops working when my storage fills up.

iPhone 14, iOS 18

Posted on Oct 6, 2025 8:13 AM

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Question marked as Top-ranking reply

Posted on Oct 6, 2025 8:37 AM

The first thing to try is to restart your iPhone→Restart your iPhone - Apple Support


If that does not resolve the problem you must back up the iPhone, then restore the backup you just made:


  1. How to back up your iPhone, iPad, and iPod touch - Apple Support
  2. Restore your iPhone, iPad, or iPod touch from a backup - Apple Support


1 reply
Question marked as Top-ranking reply

Oct 6, 2025 8:37 AM in response to jaaybaae

The first thing to try is to restart your iPhone→Restart your iPhone - Apple Support


If that does not resolve the problem you must back up the iPhone, then restore the backup you just made:


  1. How to back up your iPhone, iPad, and iPod touch - Apple Support
  2. Restore your iPhone, iPad, or iPod touch from a backup - Apple Support


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System data taking up WAY too much storage

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