I’m Canadian and work in healthcare. I have a dedicated travel phone that I move my SIM card to whenever I travel to the US. I carry a letter from my work expl

I’m Canadian and work in healthcare. I have a dedicated travel phone that I move my SIM card to whenever I travel to the US. I carry a letter from my work explaining that I’m not allowed to travel with electronic devices potentially containing confidential patient information in case a recently wiped phone raises any flags