Just got the January security update.
Android 7.1.1
Security Patch January 5, 2017
Build No. N4F261
SF Bay Area
Sprint
Non Beta
What does "SF Bay Area" have to do with a anything?
Spatial data point.
In general, to gauge general areas of roll out: "available in West Coast, is it out on East Coast yet, Europe?
Or is it reverse, East Coast first then West Coast.
Google engineer explains how Android updates roll out:
Google engineer explains how Android updates roll out and why you shouldn’t force them
And here’s the thing – the devices that go into each batch are randomly selected once for each batch. In other words, if you are turned down for the first batch, you have to wait for the next one, and no amount of tapping the Check now button will help.
Build No. N4F261
N4F26I
Sorry, last digit is an "I (eye)" not a "1 (one)"