BugMedic

iPhone Storage Full? Free up space without deleting photos

Offload unused apps, optimize photos, and clear the hidden space hogs.

By BugMedic editorial teamLast source review: 2026-10-04iOS

Go to Settings → General → iPhone Storage. Offload unused apps, turn on Optimize iPhone Storage for photos, and clear large message attachments and Safari website data.

Try these fixes in order

01

See what is using the space

The color-coded breakdown shows whether apps, photos, messages, or system data is the culprit.

iPhone Storage breakdown screen
iPhone Storage breakdown screen
Settings → General → iPhone Storage
02

Offload unused apps

Tap an unused app, then Offload App. This removes the app but keeps its documents and data, so reinstalling restores everything.

Offload App button on an app storage screen
Offload App button on an app storage screen
Settings → General → iPhone Storage → [app] → Offload App
03

Optimize photo storage

Full-resolution originals upload to iCloud while smaller versions stay on the phone. Make sure iCloud Photos is on first.

Settings → [your name] → iCloud → Photos → Optimize iPhone Storage
04

Clear attachments and Safari data

Review large attachments in Messages and clear Safari's website data — both grow silently for years.

Settings → Apps → Safari → Clear History and Website Data

Interpret what you see

You have no idea what is using the space

What it suggests: The storage breakdown shows exactly which category is the culprit, so you fix the real problem instead of guessing.

Next check: Open Settings → General → iPhone Storage and read the breakdown.

Photos is the largest slice

What it suggests: Photos and videos are usually the biggest category; Optimize iPhone Storage keeps thumbnails locally and full originals in iCloud.

Next check: Enable iCloud Photos with Optimize iPhone Storage.

Unused apps take gigabytes

What it suggests: Apps you have not opened in months are pure waste; offloading reclaims their size while keeping their data.

Next check: Offload the biggest unused apps from the storage screen.

Why this happens

  • Unused apps and their cached data pile up unnoticed.
  • Full-resolution photos and videos fill the device instead of living in iCloud.
  • Old message attachments and Safari website data grow silently.

Still not working?

Use Offload App, not Delete App, for apps you might want back: offloading removes the app but keeps its documents and data, while deleting wipes both. And do not buy more iCloud storage before checking the local culprits — most full iPhones are full of apps and attachments, not photos.

Official sources

These steps are based on the linked documentation and general diagnostics. BugMedic has not independently tested every product and system configuration. Review commands before running them.

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