It depends. If you’re using a Data Over Cable Systems Interface Specification (DOCSIS) 2.0 or older modem and WiFi router than upgrading to a DOCSIS 3.0 or higher equipment (modem, router, gateway) may increase your internet speed as it allows for a much higher maximum throughput of data. A higher throughput may lead to faster download speeds. DOCSIS 4.0 is the latest DOCSIS technology available, which includes advanced performance-enhancing features that are not available on DOCSIS 1.0, 1.1, 2.0, or 3.0 devices.