Ah, but that sentence is footnoted, and the footnote simply says, "Availability and timing of Android OS upgrades and security updates may vary by device model

Ah, but that sentence is footnoted, and the footnote simply says, "Availability and timing of Android OS upgrades and security updates may vary by device model and market." Which doesnt tell me, for example, whether a reader with an arbitrary Samsung phone is in- or outside the tent. And is therefore something of a nothingburger.