Do not disconnect the device or turn off the computer during the update process. Methods to Update Huawei E8372h-155 Firmware (2026)
Before beginning any installation process, prepare your environment to prevent the device from bricking:
Log in using your administrator credentials (default username and password are standardly admin ).
No. The E8372h-155 does not support over-the-air (OTA) updates via the mobile app. Only the PC tool works. huawei e8372h-155 firmware update
You may need a flash code, which can be generated using the IMEI number of your modem.
Related search suggestions provided.
variant. Using firmware for a different E8372 model (e.g., h-153 or h-608) will damage your device. Methods to Update Huawei E8372h-155 Firmware There are two primary methods to update your device. Method 1: Local Firmware Update (Recommended) Do not disconnect the device or turn off
Firmware versions frequently change. As of early 2026, versions like 21.335.xx.xx.xx or higher are common. Always look for the latest, stable de-branded firmware from reputable sources, according to this YouTube video . Can I update the firmware over Wi-Fi?
Use a USB port directly on your computer, not a USB hub.
Navigate to > Updates (or Advanced > System > Online Update depending on your current WebUI version). Click on Check for Updates . The E8372h-155 does not support over-the-air (OTA) updates
Click "Update." The device will start the update process. Do not disconnect the device until it restarts automatically. Method 2: Online Update (Automatic)
Do you have any specific questions about the update process or would you like more information on the Huawei E8372h-155?