Unlocking guide for Huawei E3372h-153

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What is required?

The following will come in handy for this tutorial;
  1. Huawei E3372h USB loader bin file.
  2. Huawei E3372h-153 firmware(E3372h-153_Update_21.180.01.00.00 and E3372h-153_Update_22.180.05.00.00).
  3. Huawei E3372h WebUI
  4. Balong USB downloader tool.
  5. Drivers.
  6. A Computer running Windows 7 32bit preferably
  7. A USB cable.
  8. A tweezer or any other metallic object that can serve for performing a pin boot.
  9. A sim card from another carrier.

Unlocking procedure

Once you must have downloaded all necessary files from the links below, proceed with the unlocking as thus;
  • Start by installing the Huawei drivers you downloaded from the link below.
  • Once the drivers have been installed, extract all other files like firmware and WebUI for Huawei E3372h
  • Next, you will need to dismantle the USB internet key and locate the boot point as shown below
BOOT POINT

boot point Huawei E3372h-153
boot point Huawei E3372h-153
[next]
  • Once you have spotted the boot points as you can see above(first image or seconds anyone will do), use the tweezer to link the two boot points and connect to the Computer. At this point when you connect, you should here a sound coming from your computer and the LED should be off.
  • Once connected, you will see drivers installing, and when it's done, note the com port number of Huawei Mobile connect - 3G PC UI Interface from the device manager or you should see it display once drivers have all been installed.
  • Open Balong USB loader, click on "detect" and select the com port of your E3372h-153 modem.
detect and select com port

  • After the above step, click on the "three dots" beside the "load button" to select USB loader bin from the saved folder.
select and load usbloader bin file
select and load usbloader bin file

  • Now, click on the "load" button to flash the USB loader bin file in order to erase the custom firmware in your internet key.
flash usbloader bin file
  • [next]
  • When the process runs completely without any errors, you should see this
usbloader bin flased sucessfully
  • Once you have succeeded in flashing the USB loader bin file, the LED should start twinkling. At this point, we will need to install the firmware. We will start by downgrading.
  • Launch and install the E3372h-153_Update_21.180.01.00.00 firmware
E3372h-153_Update_21.180.01.00.00 installation
firmware downgraded with E3372h-153_Update_21.180.01.00.00
  • After this step too, your modem should keep twinling(the LED). Proceed with a firmware upgrade by installing the E3372h-153_Update_22.180.05.00.00 update as shown below.
E3372h-153_Update_22.180.05.00.00 update
firmware updated with E3372h-153_Update_22.180.05.00.00
  • [next]
  • After the later, the modem will install drivers and open the default web browser with the URL address http://modem.home but won't be able to display any content. This is simply because it has no WEB UI
  • Currently, your modem has already been unlocked, and all that is required is flashing the WEB UI. So, install Update_WEBUI_17.100.11.00.03_HILINK 
installing Update_WEBUI_17.100.11.00.03_HILINK
Update_WEBUI_17.100.11.00.03_HILINK installed successfully
Once the WEB UI is installed, the router will now open the web browser showing you the new interface which is the default Huawei UI for all general Huawei modems

Disconnect and insert any sim card and then connect to the Computer.

modem unlocked successfully
Huawei E3372h-153 Orange Cameroon unlocked

Here are all the files you will be needing for this tutorial

[##download## E3372h-153 Unlock Files]