The TP-Link Deco is well-known to keep your WiFi strong in every corner of the house. It is one of those mesh systems that quietly do its job.When the deco flashes red light it means that something is not right.In this guide, we are going to break down what it means, why it happens and how to fix it without going in circles. https://www.theseobacklink.com/detail/deco-flashing-red-light--how-to-troubleshoot155773