Tenda D305 Firmware Update Link -

Cause: Power loss during flash or corrupt file.
Fix: Perform a 30-30-30 reset: Hold the reset button for 30 seconds while powered on, keep holding while unplugging for 30 seconds, then plug back in while holding for another 30 seconds. Then try to access the rescue mode via 192.168.0.1 (some Tenda models have a built-in recovery).

Step 1: Log into the Router Interface

Step 2: Navigate to Firmware Upgrade

Step 3: Select the Firmware File

Step 4: Start the Upgrade

Step 5: Wait Patiently

Step 6: Verify the Update

If the above links fail, follow these steps:

Search using archive.org (Wayback Machine):

Use a direct search with filetype:

Since the D305 is an older entry-level model, do not expect feature-rich updates. The typical firmware updates for this model generally address:

Download firmware only from Tenda’s official support site: https://www.tenda.cn or your regional Tenda site (for example, https://www.tenda.com.cn or https://www.tendacn.com). Search there for "D305" and select the correct hardware version.