Microsoft says its fix for Surface Book, Surface Pro 4 finally solves power problems

It seems like Microsoft has finally, completely solved its long-standing power problems with the Surface Book and Surface Pro 4. At least that’s the message its sending with a new firmware update that was released today.
According to Microsoft, the firmware update released Wednesday fixes an issue whereby both the Surface Book and Surface Pro 4 failed to go into a low-power “sleep” state. That’s resulted in less-than-expected battery life for both devices.
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