i cannot seem to find the dates of last backup for my iphone or ipad..
what buttons will lead me to the answer
Settings> iCloud> Storage & Backup. Scroll to the bottom and it should tell you.
iTunes or iCloud?
iTunes - in preferences > devices
iCloud - from each device Settings > iCloud > Storage & Backup. The date last backed up will be below the Backup Now button.
Retrieving data ...