Following up on the release of new firmware updates for the Lumia 950 and Lumia 950 XL for Windows Insiders on the Production ring, Microsoft has posted a comprehensive list of which operator and device variants should expect fresh firmware in this release.
The list, a portion of which you can see below, contains several hundred entries split between various regional and operator variants of the Lumia 950 and Lumia 950 XL — both single-SIM and dual-SIM. Funnily enough, although the list covers more than 500 entries, the AT&T Lumia 950 isn't included among them.
If you're curious, you can head to Settings > Extras > Advanced info to view your device's "Manufacturer Name" and "Mobile Operator." From there, you can use those identification numbers to see if your device variant is on the list and ascertain which firmware version you should expect to receive.
If you'd like to check your Lumia 950 or 950 XL against the list, be sure to hit up the source link below for more.