Huawei E8372h-155 Firmware — Update

This method is for advanced users only, as a mistake can brick your device. You'll need a Windows PC and a set of specialized tools: balong_flash.exe , Balong_USB_Downloader , special USB drivers, and the correct, device-specific protection file ( usblsafe-E8372h-155.bin ).

The Huawei E8372h-155 is a popular USB Wi‑Fi dongle (also sold as a "Wi‑Fi stick" or "mobile Wi‑fi modem") that provides 4G/LTE connectivity and creates a local Wi‑Fi hotspot for nearby devices. Updating the device firmware can add features, improve stability, fix bugs, and address security issues. This guide explains firmware update considerations, preparation steps, methods to update, troubleshooting tips, and best practices to reduce risk when updating the E8372h-155.

Change the USB port (preferably to a USB 2.0 port). Reinstall the Huawei COM drivers and restart your PC. Error Code 13: Authentication Failed

Do not disconnect the device or turn off the computer during the update process. Methods to Update Huawei E8372h-155 Firmware (2026) huawei e8372h-155 firmware update

Open your browser and go to 192.168.8.1 (the default Web Management Page ). Use admin/admin if you haven't changed your credentials Bell Support . Navigate: Head to Advanced > Updates .

Rollback possible only if you kept the original firmware file.

By keeping your updated, you ensure that you are getting the best possible performance from your mobile hotspot, enjoying a secure, fast, and reliable internet connection wherever you are. Need specific help with your Huawei E8372h-155 Go to product viewer dialog for this item. This method is for advanced users only, as

Navigate to > Updates (or System > Update depending on your current WebUI version). Click on Check for Updates .

Verify your device sticker explicitly says E8372h-155 . Flashing firmware meant for the E8372h-608 or E8372h-320 will permanently damage the hardware. Method 1: Official Update via WebUI (Over-the-Air)

Run the firmware update executable ( .exe ) file as an Administrator. Updating the device firmware can add features, improve

To check your current version, go to Advanced > System > Device Information .

Click the "Firmware" button and select the firmware .bin file.