ArtenDenysenko Said:
"Is there a way to retrieve deleted Notes from my iCloud?: Hello, I have a big problem. I deleted my notes that were only at icloud. There were a lot of very important notes. It there any possibility to return it? Please, help me."
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Recovering Deleted Notes:
A. Start Here: If you're Missing Notes on your iPhone, iPad, or iPod touch - Apple Support
B. Restore from a Backup:
Did your ever back up your iPhone with these installed? If so, back up you could back up your iPhone, and then restore it from the backup.
C. iCloud in Settings: Look in iCloud settings in each device, and make sure that Notes is clicked. If it is, then unclick it, and then click it again.