: Open a web browser and enter the default IP address 192.168.1.1 (or 192.168.0.1 depending on your model version).

A firmware update may reset your router to factory defaults. Note down your PPPoE/ISP login credentials before starting. Step-by-Step Guide to Updating Tenda D305 1. Download the Latest Firmware Tenda Download Center or the specific D305 Product Page Search for "

on how to find the specific version number currently running on your Tenda D305? Tenda F3 Router Firmware Upgrade Step by Step Tutorial