Yes, Nokia 7.1 does have the 3.5 mm headphone jack. It is located on the upper panel of the phone.
No. Nokia 7.1 is not a water-resistant phone.
No. At the time of the launch of Nokia 7.1, the face-unlock feature will not be available. However, it is widely expected that the Nokia will introduce face unlock feature in short time across of its many mobile models.
No. Nokia 7.1 does not have the FM radio support but you can download FM radio apps from the Google Play store and can listen to music.
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.