How to delete back up of old phone from icloud of present phone
I gave my old iphone away to someone I don't know but its data is taking up space in my new phone's icloud. The new owner must have a new apple id by now.
So there are now 2 backups on my new phone, one for the present phone and one for the phone I gave away. When I tried to turn off and delete the backup of the old phone, it does not allow me to do so.
What can I do to delete it to free up space in my icloud?