Navigate to the or Tools tab in the top navigation bar. Click on Upgrade or Firmware from the side menu.
Enter the default gateway IP address into the address bar: http://192.168.1.1 (or http://dlinkrouter.local./ ).
The DSL-3890 is heavily deployed in this region. Access the official D-Link AU Support Page or NZ Support Page and enter "DSL-3890" into the search bar to locate the downloads tab. dsl3890 firmware link
Under the Firmware Upgrade section, click the (or Browse ) button.
Look for the section to find the latest version available. Navigate to the or Tools tab in the top navigation bar
Firmware links are region-specific. Always use the version for your hardware revision (e.g., A1, B1) and region.
to perform the update. Updating over Wi-Fi can lead to a "bricked" or inoperable device if the signal drops. Access the Interface Open a browser and go to The DSL-3890 is heavily deployed in this region
If official site is down, check:
Your router acts as the frontline gateway between your home devices and the internet. Running outdated firmware leaves your network exposed to several risks:
Have a specific issue with your DSL3890 after an update? Leave a comment below (if on the original blog) or visit the D-Link Community Forums with your hardware revision and current firmware version.
Major firmware jumps can occasionally corrupt old configuration files. If you lose connectivity, perform a factory reset. Press and hold the recessed Reset button on the back of the device for 10 seconds using a paperclip. Once the router reboots, log back into the interface and re-enter your ISP connection settings.