I was reminded this morning that much of technical support work is to continue trying something until it works. I rebooted already. Try it again. Now it works.
My wife’s phone started booting in a loop this morning. I held the power button down until it restarted and then it loaded properly.
I joked about it needing the hands of a seasoned technical support technician. Likely, it just needed another reboot. More forceful than the last.