We’re dealing with a little WW2 style problem ourselves with Russia eating away at Ukraine. Would love to come and help you all, but before we do anything to a country that prides itself in having the biggest stick we gotta clean up our back yard first.
Pretty sure they’re not supposed to take your phone. The point of a digital document is that you don’t have to hand in anything. Scan the QR code and they can run as many background checks on the data they want. You’ll still have your phone.
Then sue them. You have the right.