The Nokia 2's software fate is a bit odd - the entry-level smartphone launched in 2017 on Nougat, and with just 1GB of RAM on board, it was deemed problematic to boot the more demanding Oreo once it was time for update. So Nokia came up with the idea to make the update optional - you either stay on Nougat for faster user experience, or you go Oreo and lose some UI snappiness. Well, the Oreo build is now apparently almost ready for release. Members of the beta program have received emails that the testing phase has concluded and the update is close to being official. It'll bring Android...
Source: https://www.gsmarena.com/the_oreo_81_update_for_nokia_2_to_go_live_soon_beta_testing_has_ended-news-35458.php