Log in using your admin credentials. If you haven't changed them, check the sticker on the router for the default password. Navigate to the Management or Maintenance tab. Find the Firmware Upgrade or System section.
The DWR-M920 is no longer receiving frequent updates from D-Link (last stable releases were around 2021–2022). If your firmware is from and the router is exposed to the internet, consider: D-link Dwr-m920 Firmware Update
This guide provides a comprehensive walkthrough for updating your D-Link DWR-M920 firmware safely and efficiently. Why You Should Update Your Firmware Log in using your admin credentials
The D-Link DWR-M920 is a popular 4G LTE router that provides fast and reliable internet connectivity. To ensure that your device stays up-to-date and secure, D-Link regularly releases firmware updates. Here's an overview of the firmware update feature: Find the Firmware Upgrade or System section