Samsung SM-G900F User Manual page 144

Security
Verifying the Samsung account password
Use fingerprints to verify your Samsung account password. You can use a fingerprint instead
of entering your password, for example when you purchase content from Samsung Apps.
On the Apps screen, tap Settings → Finger Scanner → Verify Samsung account, and then
drag the Verify Samsung account switch to the right. Enter your Samsung account password
and tap Confirm.
If the Samsung account is not registered to the device, tap OK and sign in to the account.
Using fingerprints for purchases via PayPal
You can use the PayPal payment method to make purchases by scanning your fingerprints
instead of entering your PIN.
This feature may not be available depending on the region or service provider.
1
On the Apps screen, tap Settings → Finger Scanner → Pay using PayPal.
2
Tap Install next to FIDO protocol.
3
Tap Link next to PayPal account.
4
Follow the on-screen instructions to sign in to the PayPal website and register your
fingerprints.
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