If possible, try going to iCloud.com using a computer to see if the items are there and which device they are from. That should show which device isn't syncing. On the device, go to Settings/Your Name/iCloud and disable syncing. After a couple of minutes, turn syncing on. As a last resort, you can also try signing out of iCloud and then sign in again.
If you can't do that, try going to Settings/Your Name/iCloud and disable syncing. After a couple of minutes, turn syncing on each device. As a last resort, you can also try signing out of iCloud and then sign in again.
If possible, try going to iCloud.com using a computer to see if the items are there and which device they are from. That should show which device isn't syncing. On the device, go to Settings/Your Name/iCloud and disable syncing. After a couple of minutes, turn syncing on. As a last resort, you can also try signing out of iCloud and then sign in again.
If you can't do that, try going to Settings/Your Name/iCloud and disable syncing. After a couple of minutes, turn syncing on each device. As a last resort, you can also try signing out of iCloud and then sign in again.
Why suddenly have photos taken on my iPhone stopped appearing on my iPad?
