A: Yes, but be careful. ISP-locked firmware (e.g., "Tenda D305-TPG") might reject generic Tenda firmware. You must find the version from your specific ISP.
Tenda’s official Download Center
In the world of networking, the humble router is often the most neglected piece of technology in a home or small office. We set it up, forget the password, and place it on a shelf to gather dust. However, just like your smartphone’s operating system, your Tenda D305 modem router requires regular maintenance. The most critical aspect of that maintenance is the Tenda D305 Firmware Update . Tenda D305 Firmware Update