http://www.cnngo.com/explorations/life/japan-gets-worlds-fastest-cellphone-network-christmas-954915
This is LTE, not LTE Advanced, and therefore according to the ITU-T not 4G. But still - very very impressive.
Readers outside of Japan who are sick of poor service from their cellphone provider should probably look away now, lest they become enraged with jealousy at the news of Japan’s first next-gen mobile network, which goes live next month courtesy of NTT Docomo.
The dominant wireless operator in the country says it plans to open its Xi network (Xi should be pronounced "Crossy" according to Docomo) on Christmas Eve, speeding mobile downloads to up to 75Mbps.
This is LTE, not LTE Advanced, and therefore according to the ITU-T not 4G. But still - very very impressive.