iPhone Storage Full: What to Delete and How

6 min read  ·  Works on iPhone 12, 13, 14, 15 running iOS 16 or later

"iPhone Storage Full" — three words that seem to appear at the worst possible moment. The good news is that most iPhones have gigabytes of invisible clutter that can be safely removed. This guide walks you through exactly what to delete and what to keep, so you can free up space without losing anything that matters.

First: Find Out What's Actually Taking Space

Go to Settings › General › iPhone Storage. Wait a few seconds for it to load. You'll see a coloured bar at the top showing a breakdown by category (Photos, Apps, iOS, Other), and a list of apps sorted by size below. This tells you exactly where to focus your cleanup effort.

The Fastest Ways to Free Up Space

1

Enable iCloud Photos (Optimize Storage)

Go to Settings › Photos and select Optimize iPhone Storage. This keeps full-resolution photos in iCloud and stores smaller versions on your device. On a phone with thousands of photos, this alone can free up 10–30GB. Your photos remain fully accessible — they just download from iCloud when you view them.

2

Delete unused apps

In Settings › General › iPhone Storage, scroll through the list and tap any app you haven't used recently. Tap Delete App to remove it and all its data. Games especially tend to take up enormous amounts of space — a single game can use 2–4GB.

3

Offload rather than delete

In that same iPhone Storage list, you can tap Offload App instead of deleting. This removes the app itself but keeps all your saved data. When you reinstall it later, everything picks up where you left off. This is great for apps you use occasionally but don't want to permanently remove.

4

Clear Safari's browser cache

Go to Settings › Safari › Clear History and Website Data. This removes cached websites, cookies, and browsing history. Safari's cache can quietly grow to 1–2GB over time. You'll be signed out of websites you visit, so have your passwords ready.

5

Delete old message attachments

In the iPhone Storage list, tap on Messages. You'll see options to review large attachments — photos, videos, and GIFs sent in conversations. Tap Review Large Attachments and delete old ones you don't need. Text conversations with lots of photos can take up 5GB or more without you realizing it.

6

Delete videos and recently deleted items

Videos are by far the largest files on most phones. Open the Photos app, tap Albums, then Videos — sort by size and delete large ones you no longer need. Also go to Albums › Recently Deleted and tap Delete All. Deleted photos stay in this folder for 30 days and still take up storage.

Quick win: Scroll to the bottom of the iPhone Storage page and check if iOS recommends any actions — like enabling Auto Offload Unused Apps. These are personalised suggestions based on your specific usage patterns.

Not sure what to delete safely?

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