I'm trying to understand what the Storage Manager option in the Storage settings is supposed to do. The text says "Remove photos & videos" and I chose the option "Over 90 days old". So far, it hasn't done anything. My phone is an HTC 10.
I've found some articles introducing the feature that seem to imply that ALL backed up photos will be removed every 30/60/90 days.
In Photos, the "Free up space" option removes anything that's already backed up, regardless of age.
So does the storage manager option do what it says it does? When or how often does it run? Does it instead clear all backed up photos every X days?