If the file is rejected, double-check that you didn't download firmware for a different model or hardware version.
Look at the sticker on the bottom of your router to identify your Hardware Version (e.g., V1.0 or V2.0). You must download firmware that matches your specific hardware version. Step 1: Download the Latest Firmware Visit the Tenda Official Support Page . Search for "D305" in the search bar.
Sometimes, major updates require a factory reset to function correctly. If your internet feels sluggish after the update, press the Reset button on the back of the device for 10 seconds.
Ensure your router and computer are plugged into a stable power source. If the router loses power during the update, it may cause permanent hardware failure.
A progress bar will appear.
Enter your login credentials. The default username and password are usually admin / admin . Step 3: Upload the Firmware Update
Download the ZIP file to your computer and it. You are looking for a file ending in .bin or .trx . Step 2: Access the Router Admin Panel Open a web browser (Chrome, Firefox, or Edge).
This guide provides a step-by-step walkthrough on how to safely update your TENDA D305 software. Prerequisites Before You Start