Very interesting piece by Matthew Miller on ZDNet this morning, making the case that Microsoft’s Windows Phone 7 is the most stable mobile operating system, based on his years of experience using a wide variety of mobile platforms.

Yes, more stable than iPhone, BlackBerry, Symbian — and especially Android, he says.

“I get comments from readers that Windows Phone 7 is junk and think these people likely have never used WP7 or just have a hatred for anything from Microsoft,” he writes. “I have been getting more comments from readers that have actually tried WP7 and the majority of them agree that it is a very good mobile operating system that continues to get better.”

Meanwhile, Microsoft’s Windows Phone 7.5 Mango update is starting to trickle out onto the market, with the first devices now on sale from Fujitsu in Japan.  Apart from basic black, they’re available in some bold colors — citrus and magenta, pictured here.

Previously: Windows Phone clues point to Internet sharing and front-facing cameras

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