Word on the street is that the smartphone featuring the new wrap-around display would be part of the Galaxy Z series and could be launched soon in response to Xiaomi's commercial version for the Mi Mix Alpha. The upcoming Samsung phone would also come with sliding rear camera setup, in-display selfie cam and fingerprint sensor, wireless charging and no physical buttons, plus a host of new UI functions that make use of the expanded screen real estate.
https://www.notebookcheck.net/Samsung-might-be-working-on-a-smartphone-with-surround-display-and-sliding-rear-camera.503503.0.html