The bios that is here is bigger than it sould be thats first thing, second, i know how to clean ME REGION, but there is problem to determine wich one i need, when i cut it from original flash it doesnt work, when i want use clean me there are versions RGN and UPD and none of them work when i make the BIOS whole, i know how to clean basic ME REGION, but there is some problem with this one
yes, can https://vinafix.com/resources/how-to-remove-password-bios-apple-add-edit-serial-number.1209/