No. Nokia 6 (2018) does not have the wireless charging.
No. Nokia 6.1 (2018) does not have the autofocus in the front camera. It has fixed focus camera as selfie camera.
Yes, Nokia 6.1 (2018) does have the Carl Zeiss camera lens at the back.
Yes, Nokia 6.1 (2018) does have the USB Type C port.
No. New Nokia 6 (2018) is not a waterproof mobile phone.
At the end of the day, the Nokia 6.1 (2018) brings some welcome improvements over its predecessor.