Common solutions according to iphone storage usage on ios 14 13 12 11 10 9.
Storage and icloud usage ios 11.
If you re a participant in someone else s shared folder it does not count towards your icloud storage.
When you share a storage plan your photos and documents stay private and everyone keeps using their own accounts with icloud just like when.
To remove all backups select delete backup located at the bottom of the screen.
Getting rid of that lot will free up several gigabytes of storage space.
Learn more about folder sharing in icloud drive.
In order to be sure that iphone says no storage is stemming from low storage space on your iphone launch the settings app go to general storage icloud.
To make more storage available your device can remove some of your items like streamed music and videos files in icloud drive and parts of apps that aren t needed.
Go to settings and tap on general then storage icloud usage.
If your device is low on storage it automatically frees up space while installing an app updating ios or ipados downloading music recording videos and more.
Depending on the size of your backup and the amount of content you keep in icloud you might run out of free space.
Choose the device being used.
Choose turn off delete when presented after each toggle.
Under icloud tap on manage storage.
You will see the available storage space on the storage section.
If they re paying for a larger amount of storage you ll need to invite them which they will be able to decline.
It s important to make sure that everyone in your family has enough icloud storage for their photos videos files and icloud backups with family sharing your family can share a single 200gb or 2tb storage plan that gives everyone plenty of space.
With ios 11 you ll be able to share storage with members of your family sharing group if your family members are using apple s free 5gb plan they ll be automatically moved to your storage if you re using a larger plan.