Is there any future possibility to get dark mode update in samsung galaxy s7 edge?

Is there any chances that samsung will provide one ui update for s7 edge in future?

Can we hope for one ui or android pie update for s7edge in future?

Hey samsung, please provide an inbuilt applock to secure our apps, so that we have not to install any 3rd party app to lock our apps, as we know that some of the mobile companies are providing such feature in their phones, so please provide an inbuil...