For the first time this week 5G was available in the UK, as EE launched its service in selected cities.
This is good news for people in parts of London, Cardiff, Belfast, Edinburgh, Birmingham, and Manchester.
The rest of the country will have to wait until it is rolled out later this year and at the start of 2020.
The new network means internet speeds should be several times faster than on 4G.
However, to take advantage of the new super fast connection you will need to have a 5G-enabled handset and a 5G plan.
Check out the list below to see if your phone is on there.
