Maybe it will be time to have a critical device around, that does not rely on Apple/google and has stuff like eID and other critical digital documents. But this is going to be annoying, carrying two devices. Maybe easier to keep the paper version as backup for such a case.
It might not even have to be a smartphone, but much lighter yubikey style (pk/sk signature) devices.
I hate to say it but the form factor of those crypto hardware wallets might be a good compromise between smartphone and very low level tech. Non-tech folks should be able to use them too, a struggle that the crypto space is constantly working with