HMD Global likely going to introduce Nokia 6 (2018) early next year may be in January. In fact, the device passes TENAA certification in China. But the certification does not reveal any image and detail about the device.
In the above screenshot of Model, TA-1054 reveal it is a dual-SIM version and some rumor suggest it have Nokia 7 like design language.
There is no much detail about the specification of the device available but Nokia 6 2018 (Model TA-1054) is likely come with a 5.5-inch display and dual camera setup. Another leak suggests Nokia 6 may support 18:9 aspect ratio display and is going to powered with Snapdragon 630 Soc with 4GB RAM and 32GB internal storage.