Maui META (and its modern successor, ModemMeta) is another official, highly advanced diagnostic software developed by MediaTek. It interacts directly with the device's modem firmware.
Generates both a .bin image and a tar backup of the NVRAM directory. mtk nvram editor tool top
provide community-vetted guides for specific MediaTek models. or a particular tool like Mtk Nvram Editor.rar - Facebook Maui META (and its modern successor, ModemMeta) is