How to free space on an iPhone without deleting photos from iCloud. Leave iCloud Photos turned on. Open Settings, tap your name, then iCloud, then Photos, and turn on Optimize iPhone Storage. The phone keeps smaller copies and the full photos stay in iCloud. Don't delete photos while iCloud Photos is on, because that deletes them from iCloud too.
Free up iPhone storage using Optimize iPhone Storage
Posted on Nov 4, 2026 4:26 PM