Major cities in the US and across the globe are testing 5G services throughout this year, and some areas might even get limited 5G connectivity in the second half of 2018. Tis has prompted some OEMs to pressure Qualcomm into allowing them to integrate the X50 5G modem and maybe even the upcoming Snapdragon 855 SoC in several smartphones that could launch by the end of 2018.
https://www.notebookcheck.net/Qualcomm-could-allow-OEMs-to-release-several-5G-smartphones-this-year.304264.0.html