Hardware versions are specific. Installing firmware for a different revision (like A1 or V1) can cause device failure.
To update the firmware on your D-Link DSL-2750U router (Hardware Version J1) dlink dsl2750u h w ver j1 firmware updated
. The latest known version for this specific hardware revision is dlinkmea.com Update Instructions Access the Interface : Open a web browser and enter 192.168.1.1 192.168.0.1 ) in the address bar. : Enter your credentials. The default is usually Navigate to Update Page : Go to the Management Maintenance tab and select Firmware Update Upload File Choose File ) and select the file you downloaded for Version J1. Start Upgrade . The process typically takes 1–3 minutes. Hardware versions are specific