Fix the issue ”Different C version. Update is forbidden” error in HUAWEI Modems

December 3, 2012

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Today we have got a great article for my blog users. Many Huawei modem users have lost their modem during the unlock process/flash process during the power fluctuates. If you are flashing your modem with some firmware and in between light goes off, and your computer goes switched off, then the modem’s firmware gets corrupt. During the update process, it’s denied, and after that, you have only one solution: either you have to repair your modem from the service center. When you repeatedly flash the modem, you will get the message ”Different C version. The update is forbidden,” and there is no solution to this. But, recently, a blogger has felt that it can be repaired. I have found this solution in this blog. Say thanks to. I don’t find the blogger’s name on the blog, but we have worked hard and got the solution. It is based on experience; hence you have to be careful while you are using this solution. This article will help you in repairing your Huawei Modem for free.

Firmware update wizard — Firmware updates wizard

How to fix the ‘Different C version. The update is forbidden’ issues with Huawei Modem?

Find a working modem whose model is the same as yours, which has got corrupt during the firmware downgrade process. I am using here H1 as a working modem, and H2 is not a working modem.
Insert working modem H1 into your laptop/computer and wait for the dashboard to autorun and close the dashboard/connection manager. Make fully sure that the dashboard is not running in the background.

Perform usual unlocking procedure like The welcome window will come, then click on next -> It will Searching Device -> Start Update -> Warning window -> enter the flash password (generate a password with the IMEI of modem H1.).
From here, the MOST IMPORTANT STEP gets started. After entering the password, disconnect your working modem H1, connect modem H2 and press the NEXT button. Now, wait for the application to complete the flashing process. Now your modem will be detected and automatically flashed in 4-5 minutes.