Tenda D301 Firmware Update

Flashing incorrect or corrupted firmware is the #1 cause of permanent router failure. Follow these steps precisely:

Backup Current Settings: In the router web interface (192.168.0.1), go to System Tools → Backup & Restore → Backup. Save the .cfg file. If the update resets settings, you can restore them.

Use a Wired Connection: Connect your PC to the D301 via an Ethernet LAN port. Do not update over Wi-Fi—a single dropout during flashing will corrupt the firmware.

Disable Firewall & Antivirus Temporarily: Some security software may interfere with the TFTP or HTTP upload process. Disable them only for the 2 minutes required.

Stable Power: Do not use a battery-powered laptop about to die. Plug the D301 into a UPS or stable wall outlet. A power loss during flashing is fatal.

Go back to System Tools > Firmware Upgrade and confirm that the Current Firmware Version now matches the version you downloaded. Tenda D301 Firmware Update

Set your computer’s LAN IP to static within the router’s subnet. Flashing incorrect or corrupted firmware is the #1

Do not restore from your old backup file, as that might re-introduce the bugs you just fixed. Manually reconfigure: Backup Current Settings: In the router web interface ( 192