Recently, I have provided Download link of Nokia PC Suite V 7.1 and Zune PC app for Nokia Lumia and Download link of Samsung Kies latest version for Samsung Mobile (Windows & MAC OS). I have also shared Download link of Telstra Australian Broadband Software and Firmware Free. I generally write article about unlocking as you can find Unlocking solution of Huawei E5373T Telstra Australian WiFi MiFi Router. Today, I have come with unlocking solution of Huawei E3531 Modem. In this article, we are not talking about only unlocking procedure of Huawei E3531 dongle, but I am also providing the firmware download link of Huawei E3531 Modem for both hilink and normal modem. Don’t update or normal modem with hilink modem firmware and vice-versa, otherwise your modem may be dead.

Huawei E3531 Modem
Huawei E3531 Modem

How to Unlock Huawei E3531 Modem, Free Instructions :


  1. Download Huawei E3531 broadband unlocking software from the download link which is provided at the end of the article.
  2. Now plug the modem to Windows PC using USB cable (For MAC Users , MAC version software is also available).
  3. Now let the modem install proper software and drivers to PC.
  4. After installing the software (Huawei mobile partner) to PC, disconnect the internet (if already connected) and close the default software of the modem (If you are using Huawei mobile partner software then close it)
  5. Now run the downloaded Huawei E3531 Data-Card unlocking software.
  6. It will detect and show your modem IMEI (if not detecting your modem then refer detect and unlock procedure).
  7. Now put the correct unlock code and unlock your modem.
  8. Now download the latest Huawei mobile partner software and create the profile as per the new network sim.


If your modem is of customized firmware then you can flash the firmware from the download link which is provided at the end of the article. To upgrade the firmware of your modem refer this link.


Note : Don’t enter any wrong codes into your modem, otherwise it will be locked permanently. Either purchase from any server or pay 6$ in paypal id and mention model, network and imei or after payment mail me in with transaction email.


Download latest Huawei Mobile Partner Software Free

Download  Huawei E3531 Data-card unlocking software Free

Download Firmware update Huawei E3531 & E3533 22.318.05.00.00 (Universal)

Download Firmware Update Huawei E3531s-6 & E3533 21.318.05.00.00 Universal


  1. i hav a Problem, i hav the Firmware 22.318.15.00.70 on it, and the evice is fully ut of order! the preinstalled Software dont load and mobile Partner downloaded dont finde the device! i cant unlock and i hav the Problem that i hav no Code try over! and i dont find a Option to reset! can you helf me please ?