The Tenda D305 is a mature model. If Tenda stops releasing new firmware for this device, your router will no longer receive security updates. At that point, the safest course of action is to replace the D305 with a newer router model that is still actively supported by the manufacturer. Continuing to use an unsupported router on the internet exposes your entire home network to known vulnerabilities that will never be patched.
: Do not power off or unplug the router during the upgrade process. Backup Your Settings
After the reset, you will need to set up the Tenda D305 again from scratch: log in with the default admin / admin credentials, then configure your ADSL internet connection, set up your Wi‑Fi network name (SSID) and a strong Wi‑Fi password, and re‑apply any port forwarding rules or QoS settings you previously had in place. Update Software in TENDA D305
Visit the Tenda Download Center or the specific Tenda D305 Support Page .
Updating firmware can sometimes reset your router back to factory defaults, erasing your Wi-Fi name (SSID), password, and ISP login settings. Backing up saves you from manual reconfiguration later. The Tenda D305 is a mature model
Click , select the backup configuration file you saved during Phase 3, and hit submit.
Select the firmware version that matches your router's hardware version. Continuing to use an unsupported router on the
Do not download firmware from third-party file sharing sites. Using the wrong firmware file will "brick" your router, turning it into a useless piece of plastic.