Note: The latest firmware for the http://www.dlink.com/ can be found at
Step 1: Unplug the/ from the wall outlet, move the selector switch to Router/AP Mode.and plug it back in.
Step 2: From your wireless computer, scan for available wireless networks and connect to the pre-defined SSID (Located on the Companion Card supplied with the DIR-505 and on the bottom of the DIR-505) e.g. dlink-E81A
Step 4: Click Cancel when the D-Link Setup Wizard Appears (If applicable)
Step 5: Log into the DIR-505/505L. The default username is admin and there is no password
Step 6: Click Maintenance >
Step 7: Click Browse and select the firmware file to upload and click the upload button
Step 8: The firmware will start the upgrade process. This process will take approx 150 seconds
Once the router finishes rebooting, the firmware will be upgraded.