This service allows using one time below tool (enable USB works till Mac erases)
SERVICE THAT ALLOWS STARTUP MACOS INSTALLATION FROM BOOTABLE USB FOR ALL T2 INTEL MAC 2018-2020
APP LINK: https://mega.nz/folder/2QUghQTZ#nXOXrd5hi1bIctfgT5Hbzg
Authorization by ECID number.