Enable 120hz display on Note10+ unofficially without root

[JigneshJain]

To set display of Note10+ on 120hz 

Download activity manager from playstore

Search for smooth 

Pop up menu will open select 120hz done

Video tutorial 

https://youtu.be/m4HmUAin7O4

[Anonymous]

😂🤣

[sashaa]

😂😂

[kaustubh10]

aise to note 9 me bhi option hai

[JigneshJain]

after 2.1 smoothness of scrolling is increased if you use 120hz. in 2.0 it wasn't feeling fast.
basically this option fastened settimgs scrolling etc not changing hadware