Huawei E8372h-155 Firmware Update May 2026

The Huawei E8372h-155 is a high-performance LTE Category 4 USB wingle that provides mobile Wi-Fi for up to 10 devices. While its hardware remains reliable, the firmware ecosystem has shifted as official support has largely been discontinued, making manual updates and third-party WebUIs central to maintaining the device's utility. Core Technical Profile

The E8372h-155 is built on the Huawei Hisilicon chipset, supporting download speeds up to 150 Mbps and uploads up to 50 Mbps. Unlike its sibling (the -153 model), the -155 variant features internal antennas and lacks external TS-9 ports, making it a streamlined choice for urban environments with strong signal coverage. Firmware Update Methods

Updating the firmware is critical for resolving connectivity "bootloop" issues, IMEI errors, or UI freezes. Optus Huawei E3372 Modem Firmware Upgrade & Mod

This review evaluates the Huawei E8372h-155 firmware update , focusing on its impact on device stability, connectivity, and feature accessibility. Overview Huawei E8372h-155

is a widely used 4G Wingle that provides high-speed LTE data. Firmware updates for this specific model are critical because they often address region-specific carrier compatibility and security vulnerabilities. Unlike the older "h-608" or "h-153" variants, the h-155 is frequently locked to specific markets, making the "proper" firmware version essential for multi-carrier use. Key Improvements

Connection Stability: Recent updates significantly reduce "random disconnects" that previously plagued the device during high-temperature operation. huawei e8372h-155 firmware update

WebUI Responsiveness: The updated dashboard loads faster on mobile browsers and provides more accurate signal strength readings (RSRP/RSRQ).

Security Patches: Important fixes for WPA2 vulnerabilities ensure that your local Wi-Fi hotspot remains secure against unauthorized access. Installation Experience Updating the E8372h-155

can be a technical hurdle. Since Huawei moved away from a centralized consumer update portal, users typically have to rely on local operator "Over-the-Air" (OTA) updates or manual flashing using tools like Balong USB Downloader.

Pros: Once updated, the device feels more like a modern hotspot with better power management.

Cons: The lack of a simple "Check for Update" button in some unbranded versions makes the process intimidating for casual users. Performance Impact The Huawei E8372h-155 is a high-performance LTE Category

In testing, the latest firmware shows a marginal improvement in ping times (latency), which is vital for remote workers using VPNs. However, do not expect a raw speed boost; your download and upload speeds remain largely dependent on your local cell tower's congestion. Final Verdict

Rating: 4/5The firmware update is mandatory for anyone experiencing frequent reboots or those using the device in areas with weak 4G signals. While the update process can be cumbersome, the resulting reliability makes it a necessary maintenance task for your hardware.

A primary feature introduced or refined in recent firmware updates for the Huawei E8372h-155 (and related versions) is Automatic Updates (when idle) HUAWEI Global When enabled, this feature allows the device to: Auto-detect

: Periodically check for new firmware versions without user intervention. Scheduled installation

: Download and install updates automatically during a user-specified time period to minimize disruption to your internet connection. Configuration retention Close other programs: Close all unnecessary applications on

: Ensure your current settings—such as Wi-Fi name, password, and broadband account details—are saved so you don't have to reconfigure the device after the reboot. HUAWEI Global

Additional "modded" or custom firmware versions for this specific model often include a Band Selector

feature, which allows users to manually lock the device to specific LTE bands for better signal stability or speed. for the latest official firmware or a step-by-step guide on how to perform a manual update? E8372h-155 Custom Firmware with Band Selector

Step 3: The Update Process

Once you have downloaded the firmware file, follow these steps:

  1. Close other programs: Close all unnecessary applications on your PC to free up system resources.
  2. Remove the SIM card: It is often safer to remove the SIM card from the dongle before flashing to prevent the device from trying to connect to the network during the process.
  3. Plug in the Dongle: Connect the E8372h-155 to a USB port directly on your computer (avoid USB hubs).
  4. Run the Firmware File: Double-click the .exe file you downloaded.
  5. Follow the Wizard: The setup window will appear. It will ask you to input an Update Password.
    • Tip: If you haven't changed your login details, try admin. If that doesn't work, check the sticker on the device or the manual for the default admin password.
  6. Wait: Click "Update" and do not touch the dongle. The progress bar will move. The device may restart several times. This usually takes 3–5 minutes.
  7. Completion: Once the window says "Success" and the dongle’s LED light stabilizes (usually solid blue or cyan), the update is complete.

5. Post-Update Steps

  1. Factory reset (press reset pin for 10 sec or via web UI).
  2. Reconfigure APN (e.g., internet, jionet, vodafone.it).
  3. Check band support via http://192.168.8.1/html/band.html (hidden page).
  4. Test throughput using speedtest.net via dongle’s connection.

2. Bug Fixes for Overheating & Disconnects

Early firmware versions on the E8372h-155 had notorious issues with thermal throttling. After 2 hours of streaming, the device would drop the Wi-Fi signal. Firmware versions released after 2020 significantly improved heat management.

Huawei E8372h-155 Firmware Update

2. Why Update Firmware?

📡 Huawei E8372h-155 Firmware Update – Complete Guide

Keeping your Huawei E8372h-155 (HiLink 4G stick) updated ensures better performance, security, and network compatibility. Follow this step-by-step guide.