Windows Phone has a small but faithful fan base. in the past year, and Windows Phone's US market share hovers around one percent. The best Windows Phone available in the US right now, taking both price and. We can recommend the Elite x3 as it is the best Windows 10 phone on the market , but the 3-in-1 device HP is marketing is best left to the whims of businesses. The new Nokia Lumia is the best Microsoft smartphone yet, but is that enough to compete with the likes of the iPhone, Samsung Galaxy S5.