Samsung Galaxy S21 FE 5G User Manual page 138

Settings
Secure Folder
You can create a secure folder on your device to protect private content and apps
from anyone who may be using your device. You must sign in to your Samsung
account to set up and use Secure folder.
From Settings, tap
◌
prompts to secure content on your device.
Private Share
Share files privately, prevent recipients from resharing, and set expiration dates. Keep
your data safe with blockchain technology.
From Settings, tap
◌
prompts to add files.
Samsung Blockchain Keystore
Manage your blockchain private key. Options may vary by carrier.
1. From Settings, tap
2. Follow the prompts to import or set up a new cryptocurrency wallet.
Install unknown apps
You can allow installation of unknown third-party apps from selected apps or
sources.
1. From Settings, tap
2. Tap to allow installation from an app or source.
TIP Installing unknown third-party apps could make your device and personal
data more vulnerable to security risks.
Biometrics and security > Secure Folder and follow the
Biometrics and security > Private share, and follow the
Biometrics and security > Samsung Blockchain Keystore.
Biometrics and security > Install unknown apps.
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