The V50 is LG's first 5G-enabled device, and was scheduled for release during an event on April 19, 2019. However, the OEM has issued a statement saying that this launch is now postponed. No reasons were given for this, although it is known that 5G services in South Korea are experiencing technical difficulties.
https://www.notebookcheck.net/LG-V50-Korean-launch-has-been-delayed.418142.0.html