How to delete preveious back ups
How do I delete previous back ups from iCloud
iOS 6
How do I delete previous back ups from iCloud
iOS 6
Settings>iCloud>Storage & Backup>Manage Storage, tap the device name and on the resulting screen, scroll down and tap on Delete Backup.
Can I do it off any iOS device??
As I recall, it only works from the device whose backup you are trying to delete. But give it a try.
How to delete preveious back ups