Nokia 6(2018) was announced recently and Android Oreo was rolled out for the Phone. HMD also confirmed that Android Oreo will be available soon for Nokia 6(2017). As stated now the Nokia 6 Original phone has started to receive the update.
The Update weighs around 1659MB in size. The update brings Android Oreo 8,0, Updated UI Settings, Enhanced power saving mode and background activity manager, Enhance low light camera Image quality.