For somebody to hopefully better assist:
Which Nokia 6 variant (TA-????), at which mobile operator, in what country?
Same here in the Netherlands, my TA-1033 only received the update of december 5, 2017. Today I received an email of HDM/Nokia about how thankfull they are I'm in the beta group. I hoped it was an announcement that a new beta version or the release version will be available. The beta is great in many aspects, but the Bluetooth is still broken. I can't play my spotify over bluetooth in my car or on my bluetooth headset.
To Dipak: That tricks is a very bad trick that will negatively impacts one's Android phones, so I won't recommend it. If you haven't noticed, Juho Sarvikas said that the update will be deliver in phases rather than all at once.