: Retrieve the 15-digit IMEI number from the sticker on the back of the modem or through the device management software.

While various "executable" files exist online, users often utilize a mix of open-source calculators, official drivers, and third-party software:

: A well-known professional tool that supports a wide range of devices. While the software itself is often free to download, performing specific unlock actions typically requires purchasing credits for a username and password.

: A utility used specifically to write the generated unlock code directly to the device once it is recognized by the PC.

: Developers on platforms like GitHub provide tools such as the Huawei Modem Calculator v2 for users who prefer compiling their own software or using community-verified code.

: Always verify the source when downloading executable files ( .exe ) from the internet to avoid malware. It is also important not to exhaust the limited number of unlock attempts allowed by the modem (typically 10), as doing so can permanently lock the device to its original network. Unlock All Huawei Dongle | Unlock all huawei modem online

: Input the IMEI into an unlocker tool or online calculator to generate an unlock code. Many devices use either "v1", "v2", or "v3" (v201) algorithms.

The general procedure for using these tools involves several steps: