Use the default username admin . If you haven't changed it, the password may be admin or left blank.
The firmware is specifically designed for the Wireless N300 ADSL2+ modem router. It provides the necessary system instructions for the RTL8676S processor and 32MB SDRAM to handle high-speed internet traffic efficiently. Release Date: Approximately May 2016. Target Hardware: Revision V1 and V2. dsl-2740u firmware version me-1.03
Open a web browser and enter the default IP address 192.168.1.1 (or 192.168.0.1 ). Use the default username admin