Enter your admin credentials. (Default username is usually admin , and the password field is left blank or set to admin , unless you changed it previously). Navigate to Tools or Management > System / Save & Restore .
First, let's clarify the device. The "D 39-link DIR-612" likely refers to the popular . This model is an entry-level, high-performance router designed for home and small office use, known for its ease of setup and reliable connectivity. Key specifications include: D 39-link Dir-612 Firmware 2.01 HOT- Download
If you want, I can draft a shorter social-media post or a formatted forum post with step-by-step commands/screenshots—tell me which format you prefer. Enter your admin credentials
: Go to Maintenance > Firmware Update , select your downloaded file, and click Upload . select your downloaded file