One day, D-Link announced the release of firmware version 4.0.0 for the DWR-M920. The update promised several improvements, including:
Ensure you unzipped the downloaded folder and selected the internal .bin file, rather than uploading the .zip archive directly. Lost Internet Connection After Update dlink dwrm920 firmware update
Locate the tiny on the back of the DWR-M920. Insert a paperclip, press and hold it down for 10–15 seconds while the device is powered on, and then release. This forces a factory hard reset. Post-Update Best Practices One day, D-Link announced the release of firmware version 4
Before upgrading, save your current configuration so you do not have to re-enter your Wi-Fi names, passwords, or APN settings manually. Navigate to or System Tools -> System . Look for Configuration Settings or Backup & Restore . Insert a paperclip, press and hold it down
Double-check that the file you downloaded matches your exact hardware version. An A1 file will not install on a B1 device.
Look at the sticker on the bottom of your router. Note the exact Hardware Version (e.g., H/W Ver: A1, B1, or C1). You must match the firmware to your specific hardware version.