You cannot simply download an FRPFile for free. These are generated by servers (like FRPFile.com or Tool Heroes) based on your specific ECID.
Run the "Update" or "Prepare" function in the tool. This downloads the specific Ramdisk for your iOS version and "prepares the story"—meaning it scripts the bypass commands to be sent to the device. register ecid frpfile upd
Drop a comment below with the log details! You cannot simply download an FRPFile for free
Navigate to the official FRPFile website (frpfile.com). Look for the "Registration" or "ECID Register" section. register ecid frpfile upd