‘4G’ technologies do not officially exist – yet - GSMA Mobile Business Briefing

‘4G’ technologies do not officially exist – yet - GSMA Mobile Business Briefing: "Hence, IMT-Advanced (4G) is currently work in progress. 3GPP has submitted its LTE-Advanced Release 10 to the ITU to evaluate it as a possible candidate for the official IMT-Advanced standard. Release 10 specifications are expected to be approved by the end of this year. Until then, there are no official ‘4G’ networks available in the market."