Microsoft has been careful to avoid publicising the cost to manufacturers of licensing the Windows Phone OS for each handset - but an executive from ZTE has now revealed the charge for each licence.
Olixar Light Bulb: A Bluetooth enabled speaker that also illuminates the room
Windows 10 for phones news
Windows 10 for phones
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Amazon Echo Review: "Alexa, why are you so cool and frustrating at the same time?"
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Our coverage of the Mobile World Conference 2015
The YotaPhone 2 is probably the most interesting phone since the iPhone 3G - Review