: Click Choose File (or "Browse") and select the firmware file you previously downloaded. Initiate Upgrade : Click the Upgrade or Upload button.

Before downloading anything, confirm you have the (not ND300 or other model).

: Enter "ND300" in the search bar and download the firmware corresponding to your hardware version.

Before starting the upgrade, you must prepare correctly. Failing to do so can (permanently damage) your router.

Extract the .zip file. The actual update file usually ends in .web or .bin . 2. Log In to the Router

Never attempt a firmware upgrade over a Wi-Fi connection. A sudden drop in wireless signal during transmission will corrupt the file transfer and crash the system. Link your computer directly to one of the router’s LAN ports using an Ethernet cable.

and searched for "ND300". You downloaded the specific firmware file for V2, ensuring it was a file after unzipping. 2. Entering the Control Room