Download Link: D-Link DIR-615 Ver C1 Firmware update for VoIP (3.68 MB - Aug 2010)
Step 1: Click on the link above and save the file to your desktop.
Step 2: Once you´ve downloaded the firmware, open a web browser such as Internet Explorer and enter the IP address of your router (192.168.0.1).
Step 3: Enter your username (admin) and your password (leave the field blank). Click on OK to enter the web configuration for the device.
Step 4: Click on the Tools tab and then click on Firmware on the lefthand side. Click on the Browse button and browse to the .bin file you downloaded above. Highlight the file by clicking on it once and click on Open.
Step 5: Click on UPLOAD to upgrade firmware. It may take a up to 90 seconds for the upgrade to complete. Click on Continue when it appears. The firmware is now upgraded.

