Microsoft adds mobile APIs back into Windows 10, possibly for Surface Phone

Windows 10 Mobile on a Lumia phone. (Source: Microsoft)
Windows 10 Mobile on a Lumia phone. (Source: Microsoft)
It appears that the phone call related APIs that Microsoft removed from Windows 10 in the Fall Creators Update have been added back again in Windows 10 Redstone 5 Build 17650, which rolled out to the 'Skip Ahead Insiders' channel. This could be another indication of an approaching Surface Phone release date.

We have seen many rumors, Microsoft patents, and other tidbits of information over the last year and a bit that points towards the potential release of a foldable mobile device from Microsoft, which is unofficially dubbed the ‘Surface Phone.’ Some of the more recent examples include a rear mounted display for “Back Touch” navigation, a determinative hinge that could allow for a mini laptop-style form factor with a virtual keyboard, and rumors of insider sources claiming that prototypes have been made with a possible announcement soon.

But one thing that helped to dampen hopes was the lack of mobile call related APIs in Windows 10 that Microsoft removed with the Fall Creators Update. Yesterday, Reddit user Firefly74 posted a Pastebin link showing that Microsoft has added the phone call related APIs back into Windows 10 Redstone 5 Build 17650, which rolled out to Windows Insiders in the 'Skip Ahead Insiders' group.

While this adds weight to the possibility of a Surface Phone running a build of Windows 10, this isn’t necessarily the only possibility here. Late last year Microsoft started shipping Surface Pro LTE models to businesses and then expanded availability to consumers in March, so as a commenter pointed out, this might be to enable additional functionality in these LTE enabled devices.

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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2018 04 > Microsoft adds mobile APIs back into Windows 10, possibly for Surface Phone
Craig Ward, 2018-04-23 (Update: 2018-04-23)
Craig Ward
Craig Ward - News Editor
I grew up in a family surrounded by technology, starting with my father loading up games for me on a Commodore 64, and later on a 486. In the late 90's and early 00's I started learning how to tinker with Windows, while also playing around with Linux distributions, both of which gave me an interest for learning how to make software do what you want it to do, and modifying settings that aren't normally user accessible. After this I started building my own computers, and tearing laptops apart, which gave me an insight into hardware and how it works in a complete system. Now keeping up with the latest in hardware and software news is a passion of mine.