Delete unused apps
Offload unused apps
Remove large files from the Files app
Delete old photos and videos
Empty the Recently Deleted album
Turn on iCloud Photos
Optimize iPad Storage
Delete downloaded music
Delete downloaded movies and TV shows
Remove offline podcasts
Clear Safari history and website data
Delete old messages and attachments
Review and delete large email attachments
Remove duplicate photos and screenshots
Restart the iPad after cleanup
Check storage usage in Settings
Back up and reset the iPad if needed