Wistron Tiger is the world’s largest Windows Phone at 6.45-inches - photo 1Wistron Tiger is the world’s largest Windows Phone at 6.45-inches - photo 2Wistron Tiger is the world’s largest Windows Phone at 6.45-inches - photo 3Wistron Tiger is the world’s largest Windows Phone at 6.45-inches - photo 4Wistron Tiger is the world’s largest Windows Phone at 6.45-inches - photo 5Wistron Tiger is the world’s largest Windows Phone at 6.45-inches - photo 6Wistron Tiger is the world’s largest Windows Phone at 6.45-inches - photo 7