Change your Notes settings on iPhone
Customize your preferences for the Notes app in Settings. You can store your notes in iCloud, access Notes from the Lock screen, and more.
Keep your notes up to date on all your devices with iCloud
Go to Settings > [your name] > iCloud.
Turn on Notes.
Your iCloud notes—and any changes you make to them—appear on all your iOS devices and Mac computers where you’re signed in to iCloud with the same Apple ID.
Change your Notes settings
Go to Settings > Notes.
Choose options such as the following:
Default Account: Choose the default account for Siri and the Notes widget in Today view.
“On My iPhone” Account: Notes in this account appear only on your iPhone. Your notes in iCloud aren’t affected.
Lines & Grids: Set the default line or grid style for new notes.
Access Notes from Lock Screen: Choose Always Create New Note or Resume Last Note. Or turn it off to prevent access from the Lock screen.