[znort_]

that's assuming working computers or phones are sill around. a hardcopy of wikipedia or a few selected books might be a safer backup.

otoh, if we do in fact bring about such a reboot then maybe a full cold boot is what's actually in order ... you know, if it didn't work maybe try something different next time.

[ACCount36]

That's a very safe assumption. There are more smartphones on Earth than there are humans.