My 200GB iCloud Storage is now full with 0 device backup but showing consume 110.5GB!!

"My 200GB iCloud Storage is now full with 0 device backup but showing consume 110.5GB!!: Recently I moved from iPhone 12 pro max to 16 pro max and used the clone feature. After moving to iPhone 16, my iCloud storage is now full with 0 device backups using 155GB of storage space. Storage space breakdown showing:[...]"

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iCloud Backups Consumed:

Stop backing up your iPhone to iCloud Drive. Note that iCloud does not back up everything (What does iCloud back up? - Apple Support) So, stopping the back of your iPhone-to-iCloud seems best. Then, back up your iPhone to a computer to back it up in its entirely.

One thing to do...

Download All of iCloud:

You can download all of iCloud to an external hard drive. Then, you can trash what it in there, saving you what space remains. Note that downloading it is essentially a way of backing up your data. So, do so every so often, that way you'll have something to recover your data from, such as when you lose iCloud service. Use my user tip: Getting a Quick and Direct "iCloud Drive-to-External Hard Drive" Download - User Tip