The most common method to restore communication for a modem or router is to restart it by turning it OFF, then back ON again. This gives the devices a chance to find each other.
This article will teach you how to restart your router using the Linksys app.
NOTE: Steps and images may vary depending on the operating system of your mobile device, version of your Linksys app or the model of your router.
Connect your mobile device to your router's WiFi then open the Linksys app.
For iOS, tap Manage Your Wi-Fi. For Android™, tap Log in.
You will be prompted to log in using your Linksys cloud account. Enter the necessary credentials and tap Log in.
NOTE: You can also log in using Router Password on iOS or Use Router Password on Android.
On the dashboard, tap the menu icon on the upper-left corner.
Tap Network Administration.
Tap Restart Router.
Tap Restart. While the router is restarting, all connected devices will lose their internet connection and will automatically reconnect when the router is ready.
Once the process is completed a message will be displayed that you have successfully restarted your router.