Firmware updates via Wi-Fi are prone to failure and can brick the router.
Always remember:
Navigate to and click on Firmware Upgrade . Click Browse or Choose File and select the extracted .bin file. Click the Upgrade button to start the process. 5. Wait for Reboot tenda d305 firmware top
(verified in 2024–2025) is V5.07.35_CN for the Chinese market, but international users should stick to V5.07.30_EN to avoid ADSL Annex mismatches. Firmware updates via Wi-Fi are prone to failure
Try downloading the firmware file again to ensure it wasn't corrupted during the download. Use a wired connection. tenda d305 firmware top