A firmware update may reset your internet settings (ISP login/password). Note these down before proceeding. 1. Download the Correct Firmware
The stock firmware on the C1 is notoriously flaky (random PPPoE drops, GUI lag), and D-Link stopped supporting it years ago. However, thanks to the power of and the Russian/Ukrainian modding community, we can breathe new life into it. dlink dsl2750u c1 firmware install
involves downloading the correct image file and uploading it via the router's web interface. A firmware update may reset your internet settings
Go to and set a strong password.
Open the router (4 screws under the rubber feet). Locate the 4-pin header: or J5 (usually near the CPU). dlink dsl2750u c1 firmware install
