
11 citys in the UK have launched the new service.
4G has gone live in 11 UK cities including Southampton.
EE - the company that owns Orange and T-Mobile - is the first company to provide the service, which offers download speeds of up to five times that of the present 3G system.
Rival operators including Vodafone and O2 will be able to launch their own 4G services and products from next spring.