How to Fix Low Storage (iOS)
Quick Answer
The 'Low Storage' error on iOS indicates that your device has insufficient free space to function optimally or install new content. The fastest way to address this is by deleting large, unused applications or media files directly from your device's storage settings.
What Causes This Error
- Excessive accumulation of photos and videos, especially high-resolution content.
- Numerous installed applications, some of which may have large file sizes or generate significant cached data.
- Downloaded media content such as movies, TV shows, or music stored offline.
- System data and cached files that have grown over time.
- Multiple backups or large message attachments stored locally.
Step-by-Step Fixes
1Delete Unused Apps to Resolve Low Storage
- Open the 'Settings' app on your iOS device.
- Navigate to 'General' and then select 'iPhone Storage' (or 'iPad Storage').
- Review the list of apps, which are ordered by the amount of storage they consume.
- Tap on an app you no longer use or that occupies significant space.
- Select 'Delete App' to remove the application and all its data from your device. Confirm the action when prompted.
2Manage Photos and Videos
- Open the 'Photos' app on your iOS device.
- Tap 'Albums' at the bottom, then scroll down and select 'Recently Deleted'.
- Tap 'Select' in the top right corner, then 'Delete All' in the bottom left to permanently remove photos and videos that were recently deleted, freeing up space.
- Consider enabling 'Optimize iPhone Storage' in 'Settings' > 'Photos'. This option stores full-resolution photos and videos in iCloud and keeps smaller, device-sized versions on your device.
- Manually review your photo library for duplicate or unwanted images and videos, then delete them.
3Clear Browser Cache and Offline Content
- To clear Safari's cache, open 'Settings', scroll down and tap 'Safari'.
- Tap 'Clear History and Website Data'. Confirm the action when prompted. This will remove browsing history, cookies, and website data.
- For other web browsers (e.g., Chrome, Firefox), open the app, go to its settings, and locate the option to clear cache and browsing data.
- Check for downloaded offline content in streaming apps (e.g., Netflix, Spotify, Apple Music). Open these apps, go to your downloads section, and delete any content you no longer need.
- Review podcast apps for downloaded episodes and delete older or listened-to episodes.
4Review and Delete Large Message Attachments
- Open the 'Settings' app on your iOS device.
- Navigate to 'General' and then select 'iPhone Storage' (or 'iPad Storage').
- Scroll down and tap on 'Messages'.
- Under 'Documents & Data', you will see categories like 'Photos', 'Videos', 'GIFs and Stickers', and 'Other'. Tap on a category.
- Review the attachments. To delete, tap 'Edit' in the top right, select the unwanted attachments, and then tap the trash can icon in the bottom right. Confirm the deletion.
Advanced Fixes
Backup and Restore Your Device
- Connect your iOS device to a computer with iTunes/Finder or ensure it's connected to Wi-Fi for an iCloud backup.
- Perform a full backup of your device. For iTunes/Finder, select your device, then 'Back Up Now'. For iCloud, go to 'Settings' > '[Your Name]' > 'iCloud' > 'iCloud Backup' and tap 'Back Up Now'.
- Once the backup is complete, erase your device. Go to 'Settings' > 'General' > 'Transfer or Reset iPhone' > 'Erase All Content and Settings'. This will wipe all data and settings.
- After the device restarts, follow the on-screen prompts to set it up. Choose 'Restore from iCloud Backup' or 'Restore from Mac or PC' and select your most recent backup.
- This process can sometimes reduce the 'System Data' or 'Other' category by removing old cached files and corrupted data that were not cleared through standard methods.
Disable Automatic App Offloading and Updates (Temporary)
- Open 'Settings' on your iOS device.
- Go to 'App Store'.
- Toggle off 'Offload Unused Apps' if it is enabled. While offloading saves space, it can sometimes be inefficient if apps are frequently re-downloaded.
- Toggle off 'App Updates' under 'Automatic Downloads'. This prevents new app versions from automatically downloading, which might temporarily consume space.
- Manually manage app updates when you have sufficient storage, or when connected to Wi-Fi and power.
Frequently Asked Questions
What is 'System Data' in iPhone Storage?
System Data (formerly 'Other') includes non-removable system files, cached data from apps and websites, Siri voices, logs, and temporary files. This category can grow significantly over time and is often reduced by clearing app caches or performing a device backup and restore.
How can I prevent 'Low Storage' from happening again?
Regularly review your installed apps and delete those you don't use. Periodically clean up your photo and video library, especially after trips or events. Utilize cloud storage services for photos, videos, and documents to offload content from your device. Clear browser caches and delete offline content from streaming apps regularly.
Does deleting apps remove their data permanently?
Yes, when you choose 'Delete App' from the iPhone Storage settings or by long-pressing an app icon and selecting 'Remove App' > 'Delete App', both the application and all its associated data are permanently removed from your device. If you wish to retain data, some apps offer an 'Offload App' option, which removes the app but keeps its data.
Will 'Optimize iPhone Storage' delete my full-resolution photos?
No, 'Optimize iPhone Storage' does not delete your full-resolution photos. Instead, it uploads them to iCloud and replaces them with smaller, device-sized versions on your iPhone. The original full-resolution versions remain safely stored in iCloud and can be downloaded back to your device at any time, provided you have sufficient iCloud storage.
Is it safe to clear Safari's history and website data?
Yes, it is safe to clear Safari's history and website data. This action removes your browsing history, cookies, and cached website files, which can free up storage space and potentially resolve website loading issues. However, it will also log you out of websites you were signed into and remove any saved website preferences.