Today, Asus has tweeted under #TheFlagshipRedefined that something will unveiled at 8:45 pm which will redefine flagship. It was looking like what secret would be unveiled tonight. As clock strikes, the screen shows Asus Zenfone 5z set to launch on 4 July at 12:30 pm. This Asus smartphone was announced in February this year during Mobile World Congress, Barcelona. The Taiwanese company has launched the handset having model no ZS620KL in Japan on June 15.