How to turn on/off "Double tap to turn on/off screen"?
Why does Air unlock not work on my Vivo phone?
What is Smart call?
How to use Black screen glance?
How to use Smart click to turn on/off Flashlight?
What is Smart keep bright?
How to draw “f” to launch Facebook?
How to turn on/off Raise to wake?
How to enable or disable "Screen is on when my phone is taken out of my pocket"?
What is Smart switch?
What is Smart answer?
Why is there no Double click to light on my phone?
What is Wave to hands free?
Why is there no Smart wake on my phone?
How to turn on one-handed keyboard?
Where can I find Raise to wake?
What is Smart mute?
How to turn on small screen?