Open the Photos app
Go to Albums
Review Recents and All Photos
Delete duplicate photos
Delete blurry or unwanted photos
Delete screenshots you no longer need
Delete burst photos you do not want
Delete videos you do not need
Empty the Recently Deleted album
Use Favorites to keep important photos
Organize photos into albums
Use search to find specific clutter
Back up important photos before deleting
Turn on iCloud Photos if you want sync across devices
Use the Offload Unused Apps and storage settings to check photo storage
Use third-party duplicate cleaner apps carefully
Sort and clean photos regularly