Upgrading the Dwr-m920 requires a stable wired connection and an uninterrupted power supply. Here is the official method:

If you are setting up the device for the first time or after a reset:

: Under the manual upgrade section, click Browse (or Select File ) to locate the downloaded .bin file on your computer.

D-Link DWR-M920 4G LTE Router , firmware updates are crucial for maintaining security, improving cellular stability, and ensuring the best download/upload speeds (up to 150 Mbps).