Samsung Galaxy S23 User Manual page 52

Apps and features
Screen off memos
You can create memos by writing on the screen without turning on it.
When the screen is off, detach the S Pen or double tap the screen while pressing and
holding the S Pen button.
When you tap Save or reinsert the S Pen into the slot after writing a memo, the memo
will be saved to Samsung Notes.
Change the pen colour.
Change the line thickness.
If this feature is not turned on, open Settings, tap Advanced features → S Pen, and
then tap the Screen off memos switch to turn it on.
Eraser
52
Save the memo in Samsung
Notes.
Pin the memo on the Always On
Display.
Extend the page.