Samsung Galaxy S21 5G User Manual page 155

Settings
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. Availability of this feature depends on your
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 an app or source, and then tap Allow from this source.
TIP Installing unknown third-party apps could make your device and personal
data more vulnerable to security risks.
Password for factory data reset
You can require a password to reset your device to factory default settings.
Availability of this feature depends on your carrier.
◌
From Settings, tap
Set up/change password and enter a password.
Biometrics and security > Private share, and follow the
Biometrics and security > Samsung Blockchain Keystore.
Biometrics and security > Install unknown apps.
Biometrics and security > Other security settings >
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