No, an LPR can only be denied entrance if: (a) They are regarded as seeking admission and they are found inadmissible. Refusing to unlock their device will not

No, an LPR can only be denied entrance if: (a) They are regarded as seeking admission and they are found inadmissible. Refusing to unlock their device will not make an LPR regarded as seeking admission as it’s not a reason listed in INA 101 (a)(13)(C): https://www.uscis.gov/ilink/docView/SLB/HTML/SLB/0-0-0-1/0-0-0-29/0-0-0-101.html https://www.uscis.gov/ilink/docView/SLB/HTML/SLB/0-0-0-1/0-0... (b) They are deportable. Simply refusing to unlock a device in itself will not make someone deportable as it’s not listed in INA 237 “General Classes of Deportable Aliens”: https://www.uscis.gov/ilink/docView/SLB/HTML/SLB/0-0-0-1/0-0-0-29/0-0-0-5684.html https://www.uscis.gov/ilink/docView/SLB/HTML/SLB/0-0-0-1/0-0...