You don't need the configuration/descriptor file if you're executing a 2of2 or 3of3.
You just recover the multisig wallet as you would a singlesig, by just uploading the keys to nunchuck or bluewallet under the multisig tab and your wallet will recover.
Stop spreading information if you're not well versed, pose things as questions as to not confuse people.
Bitcoiners need to shed their over-confidence it's a mind-virus and it's ugly.
