Lumia smartphones can be launched as LTE ready, if LTE (4G) services are not yet offered by your network service provider. LTE functionality (4G option in phone settings) can later be enabled with a software update. What's more, your phone is equipped with over-the-air updating so you don’t need any cables for the update. Just follow the update prompts on your phone screen – the easiest way to keep up to date with the latest enhancements.