Chip firmware Bios EFI per iMac 27" A1419 fine 2013 i5, i7 EMC 2639, 820-3478
EFI Firmware Chip for Apple iMac 27" A1419 Late 2013 EMC 2639, 820-3478. Order MF125LL/A Model A1419 (EMC 2639). Mac Bios Unlock. Fix Corrupted Firmware caused during updates. Remove the EFI iCloud Password Lock.