Firmware updates may reset the router to factory defaults. Note down your PPPoE credentials, static IPs, and Wi-Fi passwords before proceeding. How to Download D-Link DIR-612 Firmware 2.01
Official firmware should only be sourced from D-Link’s regional support portals to ensure file integrity. D-Link | Technical Support | Downloads D 39-link Dir-612 Firmware 2.01 HOT- Download
Firmware 2.01 is typically designed for specific hardware revisions (e.g., Hardware B1). Check the label on the bottom of your router to confirm it matches the firmware requirements. Firmware updates may reset the router to factory defaults
Never update firmware over Wi-Fi. A sudden drop in signal can brick the router. Always use an Ethernet cable to connect your PC to a LAN port. D-Link | Technical Support | Downloads Firmware 2
Before starting the download, ensure your router is ready for the update to prevent permanent hardware damage: