Firmware must match your specific hardware version exactly. Check the sticker on the bottom of your TENDA D305 to see if it is labeled V1, V2, etc. Installing firmware meant for a different hardware version will ruin the device.
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 "
The router will automatically reboot itself once the progress bar hits 100%. Update Software in TENDA D305
If your internet settings were erased, run the built-in to reconfigure your ISP connection, Wi-Fi network name, and security password. Troubleshooting Common Upgrade Issues Upgrade Fails / Incorrect File Wrong region or hardware revision
Wait for the physical LED lights on the router to stabilize. Firmware must match your specific hardware version exactly
Alternatively, re-run the Quick Setup Wizard to input your internet service provider (ISP) settings. Troubleshooting Common Update Issues
Locate the latest firmware version that matches your hardware version. A firmware update may reset your router to factory defaults
Your computer might still be holding onto old browser cache. Clear your browser history, restart your browser, or try accessing the page via an Incognito/Private window.
Keeping your Tenda D305 ADSL2+ router's software updated is the best way to ensure network stability, patch security vulnerabilities, and sometimes unlock new performance features. Router manufacturers regularly release these updates to fix bugs and protect your home network from emerging cyber threats.