To perform the upgrade, follow these general steps derived from official documentation: :

Is the router currently , or are you just doing a routine upgrade?

Click in the tool. The software will begin broadcasting the update packets.

Transfer Complete. Sending End Marker... Clients received: 150.

The is a game-changer for network efficiency. By downloading the correct version from a legitimate source and following the LAN topology guidelines above, you can upgrade 100+ routers in less than 30 minutes.