double tap lock

[mayuraas]

Need help for my A 51 as I am unable to use smart weak up. Didn't getting screen lock by double tap on glass.

[Ehsank]

u want lock by double tap or want to wake up screen by double tap?

[mayuraas]

lock

[Ehsank]

if you want to wakeup by double tap
go to settings
advance features
motion and gesture
and enable it as i attached

[Sidhabhi]

There is only one official option and i.e double tap to wake up(and this feature is device specific)

settings>advanced features>motion and gestures> enable double tap to wake up

https://r2.community.samsung.com/t5/Galaxy-S/ALTERNATIVES-PHYSICAL-SCREEN-OFF-BUTTON/td-p/4451822

check my post for other options

[Ehsank]

as of now no option for double tap to lock

[mayuraas]

I want to lock by tapping. don't want to use button.