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17.12.17 Why can't I enroll my fingerprint successfully?
1. Don't move your finger while you are enrolling your fingerprint to ensure clear fingerprint
images.
2. Keep your finger clean without water or obstacles.
While you are enrolling your fingerprint, use the gesture you often use, enroll your fingerprint
areas as many as possible, and avoid enrolling the same area of your fingerprint, so that the
enrolled fingerprint image will be consistent with that read by your phone when you press
your finger against the fingerprint sensor.
17.12.18 Why can't I use my fingerprint to unlock my phone when
a third-party screen lock application starts?
To ensure fingerprint security, your phone's fingerprint service is not open to third-party
applications and the fingerprint service can't be implemented on third-party applications.
17.12.19 Why can't I unlock my phone or enroll my fingerprint
when I swipe my finger on the fingerprint sensor?
Your phone's fingerprint sensor is pressure-sensitive. You only need to slightly press your
finger against the sensor to unlock the screen or enroll your fingerprint. Don't scratch the
fingerprint sensor.
17.12.20 How can I access the file safe when I am not able to use
the fingerprint unlock feature?
When you enable the file safe in Files, you will be required to create a password and enable
fingerprint unlocking. On the file safe login page, place your finger on the fingerprint sensor
to access the file safe. When your phone can't recognize your fingerprint or when you are
unable to use the fingerprint unlock feature, you can also access the file safe by entering your
preset password.
17.12.21 How can I access the App lock when I am not able to use
the fingerprint unlock feature?
After enabling App lock in Phone Manager, you will be prompted to set an App lock
password and enable fingerprint unlocking. On the App lock screen, place your finger on the
fingerprint sensor to access App lock. When your phone can't recognize your fingerprint or
when you are unable to use the fingerprint unlock feature, you can also access App lock by
entering your preset password.
17.13 How do I delete a recorded fingerprint?
Touch Settings > All > Fingerprint ID > Fingerprint management and enter an unlock
password. Then from the fingerprint list, touch a fingerprint and touch Delete.
You can also log in to your phone as the owner, touch Settings > Security > Privacy
protection, enter the owner password, and touch Manage fingerprints to view all the
fingerprints that have been set in both owner and visitor modes.
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