Today, I will talk about two Huawei modem code writer software which I have already introduced in the previous posts. Both, “Huawei Modem Code Writer Tool” and “CardLock Unlock Tool” are  great but I want to highlight something with you. Yesterday, I was unlocking one stubborn Huawei E173bu-1 modem. I flashed it properly and there was no error. After flashing the Huawei Airtel, my modem firmware was After changing the SIM card, Airtel E173Bu-1 modem was not asking for any unlock code.

Then I tried to write the unlock code using “Huawei Modem Code Writer V1.0b by Segmaster” and I have got failed error.

Huawei Modem Code Writer V1.0b by Segamaster
Huawei Modem Code Writer V1.0b by Segmaster

Before this, I had got success in other modems, so I have tried to write the unlock code in Airtel Huawei E173BU-1 dongle many times, but the result was same, fail.

Download Huawei Modem Code Writer V1.0b by segmaster

After the various failure unlocking attempts, I decided to try “CardLock Unlock Tool” to write the unlock code in my Airtel-branded modem. I was totally surprised as in only first attempt I had got the success in writing the unlock code.

CardLock Unlock ToolDownload CardLock Unlock Tool for Huawei Modem

Now, you should decide, which one is the best Huawei NCK sender and which one you should use.

CardLock Unlock tool is available to download for Mac PC user.

Download CardLock Unlock Tool for MAC


  1. Hii, is there solution for B183 to acess and see wifi password. I dont have botom pease where wifi passwprd is shown. Maybe with usb to computer connection?

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