I too have lost my notes after the so called upgrade. I do not have Yahoo, but do have Gmail. I restored my iphone 4 from a backup and found the notes came back....then disappeared after I went to the next note. My backup is on my personal computer. I think they are still in the backup. How do I get them back so they don't disappear again.
I found a setting in "icloud" On-off. I assume that is just recording data and is stored in the heavens. It appears unlike a windows program that I cannot see what I have stored???? Even the info on the backup appears unviewable???
The other setting "Notes" only offers a choice of checking one of my two email accounts....Why not a choice.. "Leave them Alone'!!!!
Is there another note choice somewhere else. Finally what do the settings have to be set at before I try a backup again?
Boogaboo214. Can you help?..Doesnt seem to be alot of help on this subject.