Are you turning your Eero off when not in use.
These are designed to stay on as they can then receive overnight updates. They also connect quicker to devices as the signal is constant.
Likewise TVs and boxes are designed to be left in standby for similar reasons.
Turning them off can break the link and mean devices need to be reconnected.
Please remember to mark Solved Posts with Best Answer. Doing so helps other customers and saves TalkTalk's Support Team time by only looking at unsolved topics. Thanks, Steve (a fellow customer).
