You can change Spectrum WiFi password by following some necessary steps; firstly, you need to get the My Spectrum app installed and sign in to your Spectrum account; if you don’t have a sign in then Sign Up Then, go to the Services section, you will see your Wi-Fi network name and password on display. If you want to change your network SSID and key, tap on Update. Then, type in type in the new network name, password, or both. Then, save the changes.