Guide
iCloud Shared Library care
You see a mix. The device may not hold every original.
One
Keep originals on the iPhone for what you want us to hold.
Two
Do not assume a thumbnail is a file.
Three
The trap is the same as Optimize Storage.
iCloud Shared Library care sits inside a simple product: original-quality iPhone backup, quiet on Wi‑Fi, a restore that brings the dates back. Not a feed. Not a compressed cousin.
You set it up once in the iPhone app. New photos leave when the phone is calm. If the handset dies, you sign in on the next one. That is the whole job.
Two sizes. Same engine. $12 a year for 100 GB, $20 a year for 1 TB. Coupons, if you have one, are entered in the app at checkout.
Paid in the iPhone app. $12 / year for 100 GB, or $20 / year for 1 TB.