Step 1. Create a Folder on the Desktop Screen:
From a blank spot the Desktop Screen, press and hold the Control key on the keyboard and click the mouse button. Release the Control key, click New Folder, and name it firmware.
Step 2. Retrievefrom Website:
Click link below and download file to the folder created in step 1.
Step 3. Upgrade the:
A. From the Main Desktop Screen, launch Internet Explorer or Netscape.
B. Type 192.168.0.1 in the Address bar and click Go.
C. For the User ID, type admin and click OK.
D. Click Tools on the top and then click Firmware on the left side.
E. Click Browse>Desktop>firmware, double click D-Link di6xx_firmware_203.bin and click Apply. Wait for approx. 15 seconds or until the M2 light stops flashing on the DI-6xx unit then click Continue.
F. This takes you back to the Tools page. Check the Current Firmware Version on the Tools page to confirm that the firmware loaded successfully.