Resolved an issue where the HTTP service would hang, preventing users from accessing the router's web-based configuration interface (GUI).

Added drivers for the D-Link DWM-156 and Huawei E173 3G USB adapters. Download and Preparation

Added functionality to show 3G IP information on the device's HTML status page.

Ensure the router remains plugged into a stable power source throughout the process. How to Update D-Link DSL-2750U Firmware DSL-2750U Wireless N 300 ADSL2+ Modem Router | D-Link