Nokia is currently believed to launch a phone called the 7.3 alongside its 9.3 PureView 2020 flagship. This event has reportedly been pushed back due to the Covid-19 pandemic; now, a new leak states that it will take place in 3Q2020. The 7-series phone may have quad cameras and a 5G variant.
https://www.notebookcheck.net/Nokia-may-launch-the-7-3-and-9-3-in-the-third-quarter-of-2020.460979.0.html