The "HL" likely refers to , Huawei’s technology designed to simplify the connection process by making modems appear as networking devices rather than traditional dial-up modems. Key functions include:
If your modem isn't detected, check the Windows Task Scheduler . The service often adds a task to ensure the program launches correctly at startup. Quick Specs at a Glance Developer Huawei Technologies Co., Ltd. Main Process mbbService.exe Common Version 22.1.36.1.3 (latest) Download Size Varies (8.65 MB to 97 MB) Max Speed Up to 150 Mbps (device dependent) mobile broadband hl service download link
Typically, this service is automatically installed when you first plug in your Huawei device or install the official dashboard software. However, if the service is missing or corrupted, you can find manual installers through the following sources: The "HL" likely refers to , Huawei’s technology