This is a nice feature, but ultimately if you are concerned with border agents requiring a phone search then you should just backup and install a fresh OS before traveling, then restore when you get back. Log into the minimal number of apps after you've entered the destination country, and optionally delete/logout of said apps prior to return travel if the return border crossing is also a concern. Admittedly if you u…
Can't they order you to sign into iCloud or equivalent and then just sync whatever they want, photos, texts, emails, apps (and then order you to sign into those apps like Facebook, Whatsapp, Gmail)? Bottom line is they can get you AND everything you have access to. And it you try to circumvent it by i.e. temporarily encrypting everything for 24hr boom you just committed a felony. This is my understanding at least.
Real talk, if you play games they will find a way to fuck you up, and even if it is not strictly legal, even if you with some kind of relief later (not likely a nice settlement), you will still have to deal with getting fucked pretty bad at the time. Not a great outcome.