Skip bringing your smartphone and get a "dumb" phone where you can hardly produce a text message.
I doubt that they would capture any serious offender this way - they have other means to get their stuff through. A micro SD is so small that it's easy to conceal.
But otherwise I have realized that there's no real point in visiting the US these days considering the banana republic government that's in place. Nothing wrong with the people, just the election system that makes sure that only the worst alternatives are available. The only candidate last election that at least had some ambition outside the realm of power or control was Sanders.