Samsung Tab A 10.1 User Manual page 39

Basics
Screen off memo
You can quickly create memos by writing on the screen without turning on it.
To activate this feature, open the Apps screen, tap Settings → S Pen, and then tap the Screen
off memo switch to activate it.
When the screen is off, detach the S Pen and write a memo. Tap SAVE or reinsert the S Pen
into the slot. Then, the memo will be saved in Samsung Notes.
To view memos, open the Apps screen and then tap Samsung Notes → COLLECTIONS →
Screen off memo.
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