web@bennypowers.com Benny Powers Firmware updater for the Dell U4025QW ultrawide monitor. Updates the monitor's internal firmware including the Thunderbolt controller, USB hub, MCU, and display scaler. The M3T105 firmware fixes Thunderbolt suspend/resume behavior (auto-switching to DP/HDMI on sleep) and USB hub signal stability. Requires a USB upstream cable connection to the monitor.