New flagship by HTC that combines the best features of One M9 and M9 + but only for the Japanese market  The meeting between the features of HTC One M9 and One M9 + has given the opportunity to create your HTC smartphone more powerful than ever: HTC J Butterfly. As often it happens, is not “bread for our teeth.”  HTC J Butterfly is sold only in Japan and only the major mobile operators in the country of the rising sun. So we can put his mind at rest right now.  New flagship by HTC that combines the best features of One M9 and M9 + but only for the