I plugged in my pre-all-devices-spy 10 year old dumb tv to the network for the first time and now it hounds me for firmware updates.... I always reject because

I plugged in my pre-all-devices-spy 10 year old dumb tv to the network for the first time and now it hounds me for firmware updates.... I always reject because I don’t want it to learn how to spy on me. Pretty sure my firetv phones my hdmi content home