Yes, nothing seems to work! I have spent hours on the phone to Apple Support, jumping through the same hoops that you have all had to jump through - and on numerous occasions. Apple Support didn't have a clue and the issue was escalated to one of their managers. Again, we jumped through the same hoops - even to the extent of changing to a mutually agreed new password so that this manager could escalate the problem to the engineers. That was a week ago, and I've heard nothing since. I really am not happy about sharing my password with people that I don't know - but I don't know what else to do.
My issue is really quite simple. I have NEVER EVER used iCloud backup on any of my devices. I always backup to my iMac and let Time Machine do its stuff. But, since the 9.1 update, I suddenly have a 4.76 GB backup. And not only that, I can't delete it. You'll see, from the Manage Storage screenshot (grabbed from my windows icloud control panel - but similar display on iMac) below, the utterly ridiculous display that shows 'Backups 0 KB' (with nothing that can be deleted - obviously), yet the other screen shows a stonking 4.76 GB backup that I never made.
I have been through all twenty-two pages of this discussion - religiously attempting all the fixes that were suggested in addition to the procedures that Apple had me do. Nothing has worked, and I'm still waiting for a response from Apple. This is so utterly annoying - and I refuse, point blank, to buy extra storage that I don't need. Grrrr........

