To turn on 2 step verification on a Samsung Galaxy J6 there are 3 methods
Method 1:
https://eu.community.samsung.com/t5/Mobile-Apps-Services/Tip-Keep-your-Samsung-Account-safe-and-secu...
Method 2:
Open settings and click Cloud and accounts
Click on Samsung cloud
If you do not have it enabled it will ask you to enable it
Method 3:
Open settings
Click on your Samsung profile picture
Click on Password and security
Click on 2 step verification
