Just go into settings and add a boot delay, then set it back when you’re done.

There were no test rings for this one and it wasn’t a user controlled update. It was pushed by CS in a way that couldn’t be intercepted/tested/vetted by the consumer unless your device either doesn’t have CS installed or isn’t on an external network… or I suppose you could block CS connections at the firewall. 🤷‍♂️

Right click > Open file location