Meizu's next major phone release after the 16s may be the 17. A Chinese blog claims to have gotten hold of promotional images that point to 5G for this device. It also now claims that Meizu may apply the design for the failed Zero concept phone to the 17.
https://www.notebookcheck.net/The-Meizu-17-may-re-use-the-Zero-smartphone-design.419832.0.html