Hidden iPhone Settings That Help You Manage Storage

Check What's Using Your Storage

Open Settings → General → iPhone Storage. This screen shows a color-coded bar chart of your storage usage.

Optimize iPhone Storage for Photos

If you use iCloud Photos, go to Settings → Photos and select "Optimize iPhone Storage."

The Biggest Win: Your Photo Library

All of these settings help, but for most people, the photo library is where the real storage opportunity lives.