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A shadow of a man using his mobile phone is cast near Microsoft logo at the 2014 Computex exhibition in Taipei in this June 4, 2014 file photo. PICHI CHUANG

Windows 10 for smartphone and tablets is going to be unveiled on Jan 21 alongside the Windows 10 designed for desktop platform. According to IBTimes, Microsoft is going to do away with Windows Phone OS for smarpthones and tables by releasing Windows 10 for such mobile devices.

IBTimes report claims that the all the existing smarpthones and tablets running on Windows Phone or Windows Phone 8.1 will be upgraded to the new Windows 10 OS for mobile for free. Another IBTimes post states that the Windows 10 OS designed for mobile devices will be launched as Windows Mobile 10.

According to PC Advisor, the Microsoft Lumia 940 will be the very first device to feature the Windows Mobile 10 OS. The Lumia 940 will come out to replace the Lumia 930 that was released in July 2014. So, the successor model is expected to arrive by July or August this year.

The Lumia 940 will sport a 5-inch full HD screen, states IBTimes. The screen will be shielded with Corning Glass 4. The device will be powered by Snapdragon 805 chipset that will be supported by 3 GB of RAM. It will feature a 24 MP PureView rear camera that will be able to record ultra HD video at 60 fps. The front-facing camera of 5 MP will support full HD video shooting. It will be available with three native storage editions such as 32 GB, 64 GB and 128 GB.

As far as the Windows 10 edition for desktops is concerned, IBTimes report shows that the users of Windows 8.1 will be upgrade to the new OS without paying any money. Users with Windows 7 PC will have to shell out a small fee to upgrade to Windows 10. Users of Windows Vista and Window XP PCs will have to buy the new OS at full price in order to use it.

Microsoft has neither confirmed on the Lumia 940 nor on the pricing information of Windows 10. PC Advisor states that Windows 10 will be made available for consumers by late summer or early fall this year.

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