Ya don't go. /s
But for real, so many better places to visit in the world.
But definitely remove biometrics at minimum.
If your OS allows you could setup a dummy user profile and have your phone on that at the border?
if you have grapheneos they just recently added the ability to set a "security pin" that starts an uninterruptable wipe with no restart needed. Just make sure its not something you can pocket fumble accidentally.