Audit13 macrumors 604 Oct 1, 2018 #26 The bootrom only gets updated when installing the OS to an original, internal Apple SSD. The bootrom needs to be updated before installing an nvme drive. Last edited: Oct 1, 2018
The bootrom only gets updated when installing the OS to an original, internal Apple SSD. The bootrom needs to be updated before installing an nvme drive.