Microsoft did not realize how different smartphones are from PCs until recent software updates broke new Windows Phone 7 devices.



From PCWorld:

"We found issues with the way the update was getting deployed on phones because of things we hadn't anticipated," Belfiore said. "Phones are different in some significant ways that I think we've now got a handle on."

With smartphones, OEM vendors play more of a role in the code used in the core operating system than PC manufacturers do, he said. This results in manufacturing issues that are different on phones than PCs.

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