...
button next to the notebook title in the note list and select Lock
.Settings
> General
> Change lock password
. Sign out
link and you can sign in again with your account password. When you sign in again, your lock password will be set as your account password by default. You can change it again in the Settings.Require re-enter password
setting.Settings
> General
> Require re-enter password
or set it directly from the locked screen as below: New Notebook
screen:Settings
> Passcode Lock
> Change passcode
.Settings
> Passcode Lock
> Enable Touch/Face ID
.