Log in using the default credentials (typically admin for both username and password). There are two main ways to update the firmware:
| Problem | Likely Solution | |--------|----------------| | "Firmware file is invalid" | Redownload; check file size. Match hardware revision. | | Update fails at 50% | Use wired connection; disable firewall temporarily. | | Device won't boot after update | Perform a 30-30-30 hard reset (if router) or contact support. | ldw931 firmware update top