5G is the speed that works 20 times faster than a 4G Service. Where South Korea was the first country which started the 5G Network. Now the 4G Network is also been old. South Korea tested the 5G network before America, China, and Europe. This test was done by 3 Companies of South Korea those are SK Telecom, Keti and LG UPlus. Smart Phones' network connectivity will be 20 times faster than a 4G Connection. It's Downloading and uploading speed will also 20 times faster.