View Passwords; Security Update Service; Device Administration - Samsung Galaxy Note 9 User Manual

Settings
NOTE Performing a Factory data reset on your device prevents it from accessing
an encrypted SD card. Before initiating a Factory data reset, make sure to
decrypt the installed SD card first.
Decrypt SD card
You can decrypt an optional memory card (not included) if it was encrypted by this
device. You may want to decrypt the memory card if you plan to use it with another
device or before performing a Factory data reset.
1. From Settings, tap
2. Tap Decrypt SD card and follow the prompts to decrypt all data on your memory
card.

View passwords

You can have characters displayed briefly in password fields as you type them.
◌
From Settings, tap
Make passwords visible to turn on the feature.

Security update service

You can set your device to automatically check for security updates.
◌
From Settings, tap
tap Security policy updates to check for security updates.

Device administration

You can authorize security features and apps (like Find My Mobile) to have
administrative access to your device.
1. From Settings, tap
Device admin apps.
2. Tap an option to turn it on as a device administrator.
Biometrics and security > Decrypt SD card.
Biometrics and security > Other security settings >
Biometrics and security > Other security settings, and then
Biometrics and security > Other security settings >
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