Just before Christmas, Microsoft began rolling out a firmware update to some of its Lumia 950 and 950 XL users, but due to the Christmas holiday, and the nature of rolling the update out over time to monitor any problems that might pop up, we haven’t seen any recent activity, that is until today.

Numerous reports on Twitter, coming from England at least, have users getting updated to the latest firmware, version 01078.00027.15506.020xx. Just to recap, the update fixes a number of issues, and “seems faster“:

– Stability and performance improvements.

– Improvements for SD memory card support.

– Improvements for automatic display brightness settings.

– Fix for a camera problem that was causing noisy images in low-light conditions for some users.

– Fix for a 4K video problem that was causing stripes to show up while playing back recorded videos for some users.

None of the WinBeta writers here in the US have received the latest update, and it does appear to be rolling out country by country. There is some question as to who controls the update, the carriers or Microsoft, as this is a firmware update potentially affecting the cellular radio bits of the phone. We asked Microsoft last week about that, and got the usual fairly cryptic reply, one that we’ve heard before:

Microsoft is working closely with mobile operators to leverage their testing and our flighting to meet and exceed current quality bars. We will use their input but will decide when to send the updates out based on input from mobile operators and our Windows Insiders

By this response, and by the fact that no carrier specific updates have been added, it looks as though Microsoft is in control here. Hopefully the rest of us will be receiving the firmware update soon. You can check for updates by navigating to Settings > Update & Security > Phone update > Check for updates.

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