Launch the "Huawei Blower Unlocker" or similar executable as an administrator.
A legitimate archive for V1.0.0.252 typically includes: Huawei Blower Unlocker V1.0.0.252 Download - Google
Since this is an unofficial utility, it is not hosted on Google’s official platforms. You can find the V1.0.0.252 installer on major GSM hosting sites like RepairMyMobile Launch the "Huawei Blower Unlocker" or similar executable
The specific build is a significant update in the Blower series. Based on changelogs from various GSM forums, this version includes: Huawei Blower Unlocker V1.0.0.252 Download - Google
While the version name highlights Huawei, the Blower Unlocker also supports unlocking for brands like ZTE, Vodafone, and Viettel.