Despite not knowing when the next Sony flagship smartphone will come out, we’ve seen the Sony D6503 (codenamed ‘Sirius’) pictured many times before and now we’ve got some video to back it all up.

Unfortunately the video doesn’t show off the interesting hardware the Sirius smartphone is said to bring — like those dual front facing speakers — but it does show off some of the new software in Sony’s skin for Android 4.4 KitKat.

It’s not a complete reinvention by any means, however, some differences include the new unlock animation replacing the venetian blinds style unlock animation of previous Sony smartphones for a more striking, rather Samsung-esque, sparkle effect. Other changes include some new camera options like the previously seen 4K video mode and Timeshift burst mode, and the transparent notification bar and navigation buttons.

Remember that this is still prototype software and some features may be removed or added when the Sirius is finally unvelied. The Sony D6503 may be unveiled at MWC 2014 and we’ll be there to cover all of the news. Check out the video below for the full look at the new UI.