Google promises 3 years only if you buy the device on release day. Our Nexus device at the office got ~18 months. But yep, the mid/low end devices are often ba

Google promises 3 years only if you buy the device on release day. Our Nexus device at the office got ~18 months. But yep, the mid/low end devices are often basically abandoned soon after release, or get 1-2 midlife updates so that December OTA has April's security patch level etc.