Used as a last resort if the software is completely locked. It involves short-circuiting specific pins on the PCB to force the device into a recovery/emergency download mode. 2. Required Tools & Software You must install Huawei Serial Drivers FcSerialDrv.rar
: You must source a "downgrade" or "unlocked" firmware (often versions like 10.0.1.1 or specific modified builds). Installation Steps 1. Preparation & Drivers
The is a specific variant of the popular 4G Wingle that often requires custom firmware to bypass carrier locks or enable features like manual band selection. Essential Preparation & Requirements
There are two ways to unlock an E8372h-320: e8372h320 unlock firmware install
Locate the motherboard circuit board. Look for the specific boot pin (testpoint) located near the internal antenna array.
: Power interruptions or incorrect files during the installation process can permanently disable (brick) your hardware.
Use a terminal tool (like DC-Unlocker or PuTTY) and send the AT command: AT^GODLOAD . Used as a last resort if the software is completely locked
Do not unplug the device during this stage. The LED lights on the Wingle will blink rapidly. Once the tool shows "Firmware Update Successful," the device will reboot. Step 4: Updating the WebUI (Optional but Recommended)
In the unlock firmware’s advanced XML config (via http://192.168.8.1/html/index.html debug mode), you can increase Tx power from 20 dBm to 25 dBm. This reduces battery life but improves range.
Unplug the dongle and insert your desired third-party SIM card. Plug the dongle back into the PC. Open a browser window and navigate to 192.168.8.1 . Required Tools & Software You must install Huawei
: Hit start. Do not disconnect the device during this process, as it will "brick" the modem (make it permanently unusable). 4. Writing the NV Items (Optional/Advanced)
Even with open firmware, the modem might be carrier-locked. To remove: