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Xiaomi Redmi Note 9T
Android 10.0
1 Turn on the screen lock
Press On/Off.
2 Turn off the screen lock
Press On/Off and slide you finger across the screen.
3 Set automatic screen lock
Press Settings.
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Press Lock screen.
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Press Sleep.
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Press the required setting.
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4 Return to the home screen
Press the Home key to return to the home screen.
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