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Remove a fingerprint
1.
Go to Settings > Security & location.
2.
Touch Fingerprint and enter your pattern, PIN or password to verify your identity.
3.
Touch
next to the fingerprint.
Use a fingerprint to unlock your phone
To wake and unlock your screen, or any time you see
on the screen, touch the sensor to verify your identity.
Use fingerprint to sign into apps
To use the fingerprint sensor with third-party apps:
Be sure the app supports fingerprint recognition.
Install the app and open its settings to adjust options, like enabling fingerprint to unlock.
Consult the app's help info for more instructions.
Why am I still asked for a PIN/pattern?
• For maximum security, you still need to enter your pattern, PIN, or password:
• Every time you power up your phone
• When more than 72 hours have passed since you last unlocked the phone
• When you go to Settings > Security & location > Fingerprint