
Once connected, it will prompt you the code so you can unlock it. One of them should do the trick! If your software didn't ask you a code, please download the software from the link above. Mobile Partner software or any other associated software will ask you the network restriction code. Simply insert a SIM cart from another network. Check your bill or the modem itself if you couldn't find it. 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.ĭownload latest Huawei Mobile Partner Software Freeĭownload Huawei E3531 Data-card unlocking software Freeĭownload Firmware update Huawei E3531 & E3533 22.318.05.00.00 (Universal)ĭownload Firmware Update Huawei E3531s-6 & E3533 21.318.05.00.In most models, modem's box has a sticker with the IMEI printed on it. Note : Don’t enter any wrong codes into your modem, otherwise it will be locked permanently.

Firmware version starts from 22 is for hilink modem, so be careful while updating the firmware in normal modem. Firmware upgrade is not recommended, it may dead your modem forever. 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.

It will detect and show your modem IMEI (if not detecting your modem then refer detect and unlock procedure).Now run the downloaded Huawei E3531 (MTS 423S) Russian Modem unlocking software.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).Now let the modem install proper software and drivers to PC.Now plug the modem to Windows PC using USB cable (For MAC Users, MAC version software is also available).

Download Huawei E3531 (MTS 423S) Russian Modem unlocking software from the download link which is provided at the end of the article.
