So the software isn’t ready yet but if you can live with a few bugs and want to help the devs squash them, you can join beta labs.
#AndroidOreo for #Nokia5 has landed on Nokia phones beta labs! Android has never tasted sweeter.— Juho Sarvikas (@sarvikas) December 12, 2017
What's more, Android 8.0 Oreo™ beta for #Nokia6 is coming soon! https://t.co/91uhqstnnm pic.twitter.com/0slgeNbfdC
Chief Product Offers Juho Sarvikas also mentioned that the Nokia 6 will soon have an Oreo beta as well.
There’s no firm time frame, but beta testing for the Nokia 8 started on October 25, ended on November 10 and the finalized update started rolling out on November 24. So the Nokia 5 should have Oreo in about a month.