Recently, there have been leaked photos of the Sony LT29i 'Hayabusa' flying around the Internet - accompanied by rumours as to what the phone will actually be.
The 'Hayabusa' is actually the new Sony Xperia GX, and has been "designed specifically for the Japanese market".
The Xperia GX is the first LTE enabled Sony smartphone to launch in Japan, and users of the phone should expect download speeds of up to 75mbps.
Sony's new device also features a 4.6in HD resolution screen, 13MP camera and full HD video recording. The handset boasts a 1.5 GHz dual core processor, 16GB of internal flash storage, and runs on Android 4.0, Ice Cream Sandwich.
Sony is also introducing three new applications with the release of the Xperia GX. The "WALKMAN" application brings 'high quality audio technologies' to the device. The "Album" application is new way of organising and browsing high quality photos and videos at a faster speed. It also works with Facebook, allowing users to view, comment and share photos on the social networking site. The "Movies" application provides high quality audio and video playback of movies, as well as a new database to provide more information about a movie.
There has been no word as yet as to whether the smartphone will be available in markets outside Japan.