Uh, ok... what countries are involved? Also, how does that work? Customs officer asks you to touch-unlock your phone. You say, no I have a pin code! And then

Uh, ok... what countries are involved? Also, how does that work? Customs officer asks you to touch-unlock your phone. You say, no I have a pin code! And then they say, oooh then, nevermind, please proceed? That does not make sense.