Samsung GALAXY S8 User Manual page 234

Secure Folder
Lock your private content and apps to enhance security.
You must sign in to your Samsung account in order to
use Secure Folder. You must also set a secure lock for
your device.
1. From home, swipe up to access Apps.
2. Tap Settings > Lock screen and security >
Secure Folder and follow the prompts to secure
content on your device.
Secure Startup
Protect your device by requiring a numeric PIN or
password to be entered before it starts up. You must
have a secured screen lock for this option to be
available.
1. From home, swipe up to access Apps.
2. Tap Settings > Lock screen and security >
Secure startup and select an option.
Settings
Encrypt SD Card
Require a numeric PIN or password to decrypt your
optional memory card (not included) when you first
access it after powering on your device.
1. From home, swipe up to access Apps.
2. Tap Settings > Lock screen and security >
Encrypt SD card.
3. Tap Encrypt SD card and follow the prompts to
encrypt all data on your memory card.
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