Most services only need the IMEI (found under the battery or by dialing *#06# ) to work.
Typical features of calculators
Avoid "free" downloadable .exe files; these are frequently malware or outdated tools that don't support the MW45V's encryption. Some
Sites like DirectUnlocks or sim-unlock.net use proprietary databases and official carrier channels to calculate the code.
Be careful when using third-party tools and software, as they may contain malware or viruses. Always research and choose reputable sources.