MIUI system MIUI 9 running smartphone support face unlock function, the post will help enable face unlock data, support device list xiaomi redmi 5, 5 plus, redmi note 5, redmi note 5 pro, mi 6, mi 6x, mi max 3, mi 8, mi mix 2, mi mix 2s etc.
Open Settings App > Open Lock screen & password > Open add face data. ( Note : if the miui system no add face data Selection bar, please going Settings App > Additional settings >> Region > do not select European region, you can select Hong Kong or test other region. )
Confirm your current password and hit Next, Read the instructions on the screen and hit Next, Position your face in the middle of the oval, You should see a confirmation message after five to ten seconds. Hit Done to finish. ( It usually takes a few tries to get the face data saved successfully, so if it doesn't work the first time, try again. )
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