Samsung has reportedly put a device called the SM-G715FN/DS through FCC testing, suggesting that it will be released soon. Some leaks allege that this phone will be marketed as the XCover Pro, thus resurrecting the OEM's line of these toughphones. Its new addition will have Bluetooth 5.0 and a display of about 6.3 inches in size.
https://www.notebookcheck.net/Samsung-may-release-a-new-XCover-series-phone-soon.448086.0.html