Is your iPhone storage full because System Data is huge? This is one of the most common issues reported by users in 2026. This "Other" storage category consists of caches, logs, and temporary files that iOS fails to delete automatically.
Watch: Official Guide to Fix iPhone System Data
Video by Cloudwards: Expert tips to clear up system data on iPhone.
Method 1: Flush Safari Browser Cache
As mentioned in the video above, Safari is the biggest reason why iphone system data huge issues occur. It stores website data and "Reading List" caches that never expire.
Step 1 Open Settings and navigate to Safari.
Step 2 Tap Clear History and Website Data.
Step 3 Choose "All History" and confirm to clear system data iphone caches instantly.
Method 2: Optimize iMessage Storage
Many users don't realize that iMessage saves every video and photo sent to them "Forever." This adds up to your iphone storage full other category.
- Go to Settings > Messages.
- Scroll to Message History and change "Keep Messages" to 30 Days or 1 Year.
- This will automatically delete thousands of old attachments that bloat system data.
Method 3: The "Nuclear" Option (Factory Reset)
If your system data is still over 20GB, it's likely a software glitch. The only way to get rid of system data on iphone completely is a full restore.
Frequently Asked Questions
Persistent Storage Issues?
If your iPhone is still lagging or storage won't clear, you may be eligible for a replacement or official repair.
Learn How to Claim Apple Warranty