Delete unused apps
Clear app cache
Remove old photos and videos
Back up media to cloud storage
Delete downloaded files
Empty trash folders in Gallery, Files, and Photos apps
Uninstall app updates if needed
Move files to an SD card
Remove offline music, podcasts, and maps
Clear messaging app media and attachments
Delete duplicate files
Use storage cleanup tools in Settings
Remove large files
Clear browser downloads and cached data
Restart the phone after cleanup