The setting is the traditional way of storing media. Every photo or video you take is kept on your iPhone's internal storage at its full, uncompressed resolution while also being backed up to iCloud.
Optimize iPhone Storage vs. Download and Keep Originals: Which Should You Choose? optimise iphone storage vs download and keep originals
: It can reduce the storage your photo library uses on your phone by up to 80% or more . The setting is the traditional way of storing media
The choice between these two settings determines how much physical space your photos take up on your device and how you access them when you're away from an internet connection. optimise iphone storage vs download and keep originals