Download Huawei EC321 Firmware Update (APP)

This blog provides Huawei / ZTE, modem/router Firmware Update, Dashboard Update, Windows & Mac OS Supported Dashboard, FWT Configuration Tool V3.0 and Drivers, this post provides Firmware Update (APP) Huawei EC321, which can be downloaded from the link which is provided at the end of the Huawei EC321 firmware update (APP) specification.

Huawei EC321 Firmware Update (APP) Specifications :-

Manufacturer :- HUAWEI
Modem Types :- PC Card
Version :- WL3TCRC21005_UPDATE
Model :- EC321
Compatibility :- Windows XP, Vista, 7, 8, 10
Files Size :- 1.34MiB
Type of File :- Zip
Total Files :- 01
Last Updated :- June 17,2015
Create By :- Www.Modemfiles.Com
Downloaded Zip/Rar files extract in a folder using unzip/Winrar software, and procedure as mentioned in the specific post.
Here is a step by step guide on how to the installation of a downloaded huawei firmware update file :-

  1. Now run the FWT_Configuration_Tool_V3.0 folder and install.
  2. Now close the dashboard/software of your modem.
  3. Go to the FWT_Configuration_Tool and open it.
  4. Select the Download Tool in tool list and 
  5. Search Browse WL3TCRC21005_UPDATE APP files and Click the Download button.
  6. Wait for the download file.
  7. After finishing the flash process, change the sim card of another network provider and plug your modem to a computer/laptop.
  8. Now its will ask you for a password.
  9. Provide the unlock code as a password and your modem is unlocked forever.

  1. Make sure that the computer has all the drivers. (The easiest way to make sure that your computer meets this requirement is to connect the modem to the computer and connect to the internet.)
  2. Close any type of connection programs like Mobile Partner or Branded mobile software (Modem must not be connected to the internet, modem light must be blinking, the software must not be running)
  3. If you want to unlock your EC321, you can do it after the firmware update.
Disclaimer:- Modemfiles will not be responsible for the unauthorized changes of the firmware of your modem. In addition, if you want a specific firmware related to Huawei & ZTE modem, dongle, data card & router, comment it if available, then it will be published. All firmware files posted on the are free of cost and there is no need to pay them.

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