The screen went dark. Then the Atoto logo reappeared, cheerful and blue, and the radio started playing a classic rock station like nothing had happened.
Plug the USB drive into the port (usually the one used for CarPlay). The system should detect the update automatically. If it doesn't, go to Settings > System > System Update . 3. Finalizing
: Updates must typically be placed in the root directory of a FAT32 or NTFS formatted USB drive plugged into the "Phone Link" port. Bootloader Sensitivity