Yes, Nokia 7.1 does have the 3.5 mm headphone jack. It is located on the upper panel of the phone.
Yes, Nokia 7.1 does have the Corning Gorilla Glass 3 display protection.
Nokia 7.1 is not yet tested by DxOMark and hence we really cannot comment anything about it right now. But since the phone comes with CarlZeiss optics, we are sure that the phone is with decent camera quality.
Yes, Nokia 7.1 does support fast charging. It comes with 18W charger in the box, as well.
Nokia has quietly released one of the most exciting inexpensive phones of the year in the Nokia 7.1, a well-designed phone that delivers first-rate performance.
With the Nokia 7.1, the brand continues its run of impressive mid-range phones carrying close-to-stock Android. While the phone has weaknesses, overall it offers better quality and features than you would expect at this price.