Android systems can do this today. After an orderly shutdown of new software, then it can mark the new stuff as good and not allow older software to boot.
The funny part is the Samsung update that bricked a10 phones was a update to smart things, so it couldn't use the Android A/B capability to roll back lol
Android systems can do this today. After an orderly shutdown of new software, then it can mark the new stuff as good and not allow older software to boot.