Samsung SM-G900F ユーザーズマニュアル

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Security
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Using fingerprints for purchases via PayPal
You can make purchases by scanning your fingerprints.
This feature may not be available depending on the region or service provider.
On the Apps screen, tap Settings 
→ Finger Scanner → Pay with PayPal.
Tap Install under FIDO Ready™ support.
Tap Link under PayPal account.
Follow the on-screen instructions to sign in to the PayPal website and register your 
fingerprints.
Private mode
About private mode
Use this mode to prevent others from using or accessing specific content, such as images and 
documents, stored on the device. You can save content to a specific location and deactivate 
private mode to hide items securely.