Be sure to download and install iOS 18.6 on your iPhone and other updates from Apple to get the latest bug fixes and security protections for all your devices.
Apple releases iOS 18.6, macOS Sequoia 15.6, watchOS 11.6 and other updates
iOS 18.6
iOS 18.6 squishes a bug that prevented sharing Photos memory movies
Apple's iOS 18.6 software update fixes a bug that prevented the sharing of memory movies in the iPhone's built-in Photos app.