The company's Tizen operating system is viewed as a way for Samsung to distance itself from Google's Android platform.
The device will be known as the ATIV Core and run on Windows Phone 8.1, according to the report.
At CES, Samsung has unveiled a new concept UHD TV with a screen that can be set to curved or flat at the press of a button.
Korean electronics giant says its mobile messaging platform is now available in 237 countries and 63 languages.
Samsung's own-brand chat service has amassed a whopping 100 million users, just two years after its launch, putting it up with the likes of BBM and Line.
Samsung is looking to improve its non-Android phones by bringing together its own low-end OS Bada with the successor to MeeGo, Tizen.
BlackBerry Messenger is coming this summer to the iPhone and Android. I see how it stacks up against rivals WhatsApp and Viber.
Nearly three in every four smart phones sold in the first three months of the year were running Android, according to analyst Gartner.
As Samsung unveils its next flagship Android device, there are things happening behind the scenes that could threaten the future of the Samsung-Google alliance.
Firefox OS and Tizen won a lot of deserved attention at Mobile World Congress, but they won't mean much to Android. At least not yet.