Samsung M series Secure Folder

[Srittam]

Is secure folder available in Samsung M21?

[Anonymous]

no 

[Srittam]

Are you sure?

[Anonymous]

only m10s contain secure folder among all m series as it's have Knox security builtin

[Ranjitraj3]

To use Secure Folder, first set up a Samsung account. Then go to Settings > Lock screen and security > Secure Folder. Tap to open it then log in with your Samsung account. Your Secure Folder is now ready.

[Srittam]

I didn't ask you how to use. please read my concern again.

[Anonymous]

no

[Ranjitraj3]

https://www.samsungknox.com/en/knox-platform/supported-devices

[ppp64]

how to change or null password ,I don't want open password. at present face reading is done, password forgotten.
I want to open without password or unlock without password

[ppp64]

pl suggests how to unlock without password mobile settings