It acts as a bridge between the computer’s operating system and the modem's firmware.

Search for "Mobile Broadband" or your specific device chipset name. Download the verified CAB or MSI installation files safely. Step-by-Step Installation Guide

The speed is dependent on your cellular provider’s signal. Ensure you are in a good coverage area.

Depending on your hardware manufacturer and network carrier, choose the appropriate official download link below:

The device automatically switches from mass storage mode (driver installation mode) to network mode. Your connection remains stable during data transfers. Why Do You Need the Download Link?

While you may find websites offering direct .exe downloads, it is safer to rely on the carrier's official support pages or the device's automatic update feature to prevent the risk of malware. The safest approach is to let your device's native software update automatically. Many Huawei devices use the manager, which checks for service updates internally.

To help you find the correct solution, could you provide a bit more context?

If your mobile broadband is disconnected or the service is not responding, follow these steps: mobile-broadband-hl-service.updatestar.com Mobile Broadband HL Service - Download

If you have a specific Huawei modem or a device that uses this service, do not search for the software name alone. Instead:

: Supports download speeds of up to 150 Mbps, depending on the hardware and network. Installation & Compatibility System Requirements : Compatible with Windows XP through Windows 11 and macOS. File Details