Samsung had let it be known that 5 devices would be unveiled at its August 5, 2020 Galaxy Unpacked event. The OEM's fans may have expected the Galaxy Z Flip 5G to be one of them. However, the Korean giant has now introduced this device. It seems to be a Snapdragon 865 Plus refresh of the original foldable clamshell.
https://www.notebookcheck.net/Samsung-abruptly-announces-the-5G-version-of-the-Galaxy-Z-Flip.482687.0.html