You can apply App Lock to Notepad or set a password for a note to protect your privacy.

• To lock the Notepad app, go to Settings > Security > App Lock, follow the onscreen instructions to enter the screen lock password or custom app lock password, and enable the switch next to Notepad.

• To lock a single note, go to Notepad > Notes, open the note you wish to lock, go to > Add lock, follow the onscreen instructions to set a password, and touch .

  To remove the note lock, open the note, and go to > Remove lock.

If your device supports fingerprint or face unlock, and you've enrolled your fingerprint or facial data, you can use fast authentication by performing the following steps: Go to Notepad > > Settings > Note lock, and enable Unlock with Fingerprint ID and Unlock with Face Recognition.