Previously the Samsung devices would ask you once or always, but now they don't by default. Well it looks like Samsung brought back the option in a way. You just have to turn it on and next time it will ask you once or always when selecting a default app.
Go to Settings
Applications
Default Applications
Default App Selection
change to ask before setting default apps
Watch video Samsung S6/S7 Bring back "just once" or "always" option when selecting default app selection online without registration, duration hours minute second in high quality. This video was added by user Adam Bedz 26 October 2016, don't forget to share it with your friends and acquaintances, it has been viewed on our site 107,623 once and liked it 651 people.