Connectivity in the UK
The UK has excellent 4G and growing 5G coverage, but free WiFi on the London Underground is limited to station platforms (not tunnels). An eSIM ensures you can navigate the Tube, check train times, and use rideshare apps like Bolt and Uber.
UK Networks
EchoRoam connects to EE, O2, Vodafone, and Three—providing coverage from the Scottish Highlands to Cornwall.