I can't upgrade my MacBook Pro mid 2012 from Mountain Lion to any newer macOS, High Sierra or Mojave. After installation is complete via usb and on the first boot it goes
Le travail a commencé pour installer Mojave sur les anciens Mac | MacGeneration
MacBook Pro Mid 2012 | Durbanville | Gumtree South Africa
macOS Mojave on MacBook Pro 15" mid 2012 NON RETINA - YouTube