This initial major update improved and added Whole Home Wi-Fi compatibility . It is the minimum required version for reliable NBN operation but is now considered outdated and insecure.
Do not turn off the router or disconnect the Ethernet cable while the firmware is installing. Post-Update Steps After the router reboots, it is good practice to:
While the DSL-2877AL features decent hardware, it includes a specific, proprietary DSL modem chipset. Because of this, custom open-source firmware does not officially support it. Flashing unverified or custom firmware onto this specific router is extremely risky and will almost certainly result in a permanently dead device. It is highly recommended to stick to the official, tested D-Link releases.
Updating the firmware is a manual process but straightforward for those comfortable with web interfaces. You can follow the firmware update guide on for a step-by-step walkthrough.
