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Bolster Your Device Security, with Face Recognition
Enable Require trusted device when using Face unlock to ensure that your phone will only
unlock when it detects your face and is connected to a trusted device.
This feature is disabled by default. To enable it, go to the Face Recognition settings screen,
touch Require trusted device, turn on the Require trusted device switch, and follow the
onscreen instructions to complete the settings.
A trusted device can be any Bluetooth device that can be used for unlocking purposes,
such as earphones, a watch, or a band.
Disable or Delete Facial Data
Go to the Face Recognition screen to:
Prevent certain features from accessing your facial data: Disable Unlock device, Access
•
App Lock, or other features, to prevent them from using your facial data. Doing so won't
delete your facial data.
Delete facial data: Touch Delete facial data to delete your facial data. You'll have to enroll
•
your face once again if you want to use the facial recognition feature later on.
Security
Set a SIM PIN Lock
A PIN is the identity code of a SIM card, and can be set as the SIM card lock. After you set it
up, you will be required to enter the correct PIN to unlock the SIM card every time you power
on your phone or switch to a new phone to prevent unauthorized access.
If you have entered a wrong PIN and exceeded the maximum number of attempts allowed to
unlock the PIN, you will need to enter the PIN Unlocking Key (PUK) then reset the PIN. If you
exceed the maximum number of attempts allowed to unlock the PUK, your SIM card will be
permanently blocked.
The PIN and PUK of your SIM card are provided by your carrier. The number of digits and
maximum number of attempts allowed to unlock your PIN and PUK are subject to your
carrier.
1
Go to Settings > Security > More settings to enter the SIM lock settings screen.
2
Enable Lock SIM card, enter the PIN, then touch OK.
To change the PIN, touch Change SIM PIN, and follow the onscreen instructions.
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