To update the firmware for your DIR-853 ET A3:
The latest official firmware for the (also labeled as DIR-853R3 ) can be downloaded from the D-Link FTP Server . The current stable release for this hardware version is version 4.0.1 , released in March 2025 . Official Firmware Update Steps dir853 et a3 firmware update link
Firmware updates are crucial for maintaining the health and security of your devices. These updates often include: To update the firmware for your DIR-853 ET