Some of the pioneering networks now active include those by T-Mobile in the United States, SK Telecom in South Korea and Telefonica in Europe. Some operators, such as Japan’s Rakuten, have reported …
( read original story …)
Some of the pioneering networks now active include those by T-Mobile in the United States, SK Telecom in South Korea and Telefonica in Europe. Some operators, such as Japan’s Rakuten, have reported …
( read original story …)