With the imminent launch of 5G phones, carriers worldwide are working on testing and preparing their networks for the global roll-out. The Samsung Galaxy S10 5G will be among the first phones to support the next generation of mobile connectivity and South Korea's SK Telecom has been busy doing network tests with it. In a recent press release, the Korean carrier announced that it managed to achieve speeds of 2.6 Gbps on its network thanks to a 5G-LTE aggregation technology. The actual 5G speeds reached 1.5Gbps while the rest came from the good old LTE. SK claims it takes 30 seconds...
Source: https://www.gsmarena.com/s10_5g_hits_26_gbps_speed_in_sk_telecom_tests_-news-36025.php