After its initial launch in South Korea last week, it seems that the first commercially available 5G phone - Samsung's Galaxy S10 5G is facing network issues. Early adopters are reporting lower than expected speeds, limited coverage, and trouble in switching between LTE and 5G. Some owners say their units don't connect to 4G networks even after restart. Supposedly, in areas where 5G connectivity was not available the phone would remain out of any network coverage, including 4G signal. Connection issues are reported on all three Korean carriers that offer the new generation service....
Source: https://www.gsmarena.com/galaxy_s10_5g_users_report_network_issues_-news-36500.php