December security patch received, without OS update.


    Just received December (2016) security patch as build MOB31Q.


    Two problems here:


    1. MOB31Q is not listed anywhere as a release from Google.

    2. The December patch was supposed to be included in the Android 7.x OS update, not a stand-alone release.


    The theory offered on Google's Nexus support forum is that MOB31Q is a T-Mobile-only release.


    This all lends credence to the idea that T-Mobile really is sitting on the Android 7.x release for some reason.