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 Smart click to turn on/off Flashlight?
How to use Black screen glance?
How to draw “f” to launch Facebook?
What is Smart keep bright?
What is Wave to hands free?
How to enable or disable "Screen is on when my phone is taken out of my pocket"?
What is Smart answer?
How to turn on one-handed keyboard?
What is Smart switch?
How to turn on small screen?
What is Smart mute?
Why is there no Smart wake on my phone?
Why is there no Double click to light on my phone?
How to turn on/off Raise to wake?
Where can I find Raise to wake?