Looks like Microsoft may have just dropped the biggest hint that an entirely new smartphone is in the works, perhaps the Surface Phone.

The leak stems from Microsoft Australia official Twitter account, which as reported by MSMobile, unintentionally tweeted a promotional image tipping off a "New One in Surface family!"

The said image does include official Microsoft branding, and shows a dark smartphone shape surrounded by Microsoft's current Surface Pro 4 tablet and Surface Book laptop device.

The leak is the latest to tease an impending reveal or even release for the purported Surface Phone as Microsoft looks to revamp its smartphone category.

Rumor mills have been swirling speculations centering on a launch event next month for the purported device, which could come with a mammoth 5.7 touchscreen with 2K resolution, and 20MP primary camera equipped with a Carl Zeiss lens. The impending device will be powered by a Snapdragon 830 processor, Express reported.

Besides, there's a possibility that the Surface Phone could be a hybrid device, with recently leaked images suggesting it will come with a keyboard cover that enable users to type, just like Microsoft's Surface Pro devices.

The Surface Phone is expected to oust Microsoft's current range of Lumia smartphones, which are likely to cease production by the end of 2016. In fact, citing the ongoing struggle for Microsoft's smartphone division, industry watchers have raised doubt regarding the future of Windows 10 on mobile.

Meanwhile, rumors are running rampant that the handset could finally make an appearance next month, according to VineReport.

Back in July, the Redmond based tech giant announced that it would be cutting nearabout three thousand jobs from its smartphone operations after a long period of decline.

The company has already revealed its plan to lay off 1,850 other workers earlier this year in bid to centralize its several operations. In other words, the popular tech firm has let go nearly 10 percent of its total workforce so far, which clearly is not a good sign.