Open a browser and visit the official Tenda Support website. Search for in the downloads section.
: Ensure the router is plugged into a stable power source. Do not turn off the power or unplug the device during the process.
Log in with your username and password (default is usually admin / admin ). Tenda D301 Firmware Update
Updating the Tenda D301 firmware is a straightforward but unforgiving process. Success requires matching hardware versions, using a wired Ethernet connection, ensuring stable power, and never interrupting the flash cycle. By following the pre-update checklist and post-update reset, users can secure and stabilize their aging but capable DSL router. For unsalvageable bricked units, a replacement router (even a cheap modern one) may be more cost-effective. Nonetheless, for those who depend on the D301, a cautious firmware update remains a valuable skill.
If the router does not reboot properly, perform a factory reset by holding down the RST/WPS button on the back of the device for about 10–15 seconds while it is powered on. Open a browser and visit the official Tenda Support website
Navigate to your desktop and select the extracted .bin or .trx file you downloaded in Step 1. Click the or Update button.
What is the current listed on your router's sticker? Do not turn off the power or unplug
Before you start the update process, make sure your router is prepared:
If the update fails, try using a different web browser. If it still fails, the file might be corrupted; re-download it.