Galaxy m11

[Balahariharan]

In my phone how we want to take screenshot

[ad123456789]

volume Down butten and power butten ko ek sath davaye

[Balahariharan]

tq

[Balahariharan]

ok

[Ehsank]

Enable assistant menu, this is best way ,by this option you can also perform other important task such as screen off, navigation, sound, screen rotation, power off menu, notification panel and also specific app option available
To enable assistant menu just go to settings>>accessibility >>interaction and dexterity>>assistant menu>>enable and also click on it and enable>> assistant plus menu

[Balahariharan]

tq

[Ehsank]

if my given settings/comments are useful for you then you can accept as solution by CLICKING on 3DOT comments

[Sidhabhi]

Install one hand operation+(it has several other useful features)

http://apps.samsung.com/appquery/appDetail.as?appId=com.samsung.android.sidegesturepad

[Balahariharan]

ok

[Sidhabhi]

or Accessibility>Interaction and Dexterity>Assistant menu feature

or
palm swipe to capture

note: go for one hand operation+ (you will definitely gonna like it)