Updating the firmware on your D-Link DWR-920 router is essential for maintaining network security, improving performance, and adding new features. Firmware is the internal software that runs your router, and manufacturers like D-Link release updates to patch vulnerabilities, fix bugs, and enhance compatibility with mobile networks.
Yes, interrupting a firmware update is bad. But the DWR-920 has a recovery mode (hidden behind a paperclip hole). Unlike cheap routers, this D-Link model is surprisingly hard to truly "brick." As long as you follow two rules— and Don't unplug the power —you will be fine.