Yes, Nokia 8 is a dual sim mobile phone.
Yes, Nokia 8 does have the Gyroscope sensor.
Nokia 8 weight is just about 160 Grams.
Yes, Nokia 8 does have an OTG support as well.
It’s safe to say that if a smartphone like this had shipped from the Nokia stable a few years ago, the Finnish company might never have had to step back from the mobile business.