By Emma Okonji To maintain regular upgrade of its network capability, Smile Nigeria, the 4G LTE broadband service provider has just completed the latest upgrade of its Core Network Expansion (CNE). This upgrade, according to the company, was significant in its far reaching modernisation of the Smile Network, leading to increased capacity, which will enable Smile to serve more customers and improve the experience of existing customers. Giving details of the upgrade, the Chief Technical Officer of Smile, Akinola Alayoku, said the Radio Network Expansion, which commenced this January, would greatly improve the internet experience of customers on the Smile network giving them super-fast internet experience.