Nokia devices (especially those running Android One) differ from other brands because they have a locked bootloader. This makes standard unlocking methods difficult. The "Server Free" aspect often refers to a script that exploits the Android Debug Bridge (ADB).
: Before resorting to third-party tools, consider official solutions. For instance, Nokia and Google provide ways to regain access to your device. You can try to recover your Google account or contact Nokia support for assistance. NOKIA-FRP-PIN-SERVER-FREE.rar