Delete any copies you have. Run a full antivirus scan (Malwarebytes + Windows Defender) if you have ever opened such a file.
The "V5" designation refers to the version of Huawei's security algorithm . While older algorithms (V1, V2, and V3) were widely cracked and made available through free tools, are more secure, often requiring paid services or advanced software like Codes Calculator for Huawei on Google Play . Technical Overview of Huawei Unlock Algorithms huawei unlock code calculator v5