Microsoft has just delivered a firmware update to Surface Book and Surface Pro 4 users, though its probably not the one theyve been waiting for.
With the January 2016 update, both devices are getting improvements to battery charging, thermal tuning, wireless access point compatibility, and 5GHz Wi-Fi network throughput. For the Surface Book, keyboard detection issues are also being fixed, and models with dedicated Nvidia graphics cards should be more stable. The Surface Pro 4s fingerprint sensor is getting an update to improve accuracy as well.
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