UK carrier O2 has activated its 5G network and announced a number of new plans if you want to try the next generation of wireless connectivity - the good news is that you won't have to pay any premium, the 5G plans cost exactly the same as the 4G plans. An Unlimited plan is available if you plan to download massive amounts of data quickly. O2's 5G network is available in six cities: Belfast, Cardiff, Edinburgh, London, Slough and Leeds. The first cells are concentrated in busy locations like city centers, football stadiums, metro stations and so on. Here are the 5G custom plans you can...