The precedent for United States v. New York Telephone Company has just recently been judged not to apply to Apple unlocking an iPhone. And unreasonable burden

The precedent for United States v. New York Telephone Company has just recently been judged not to apply to Apple unlocking an iPhone. And unreasonable burden is not the only criteria. In addition, this specific situation has First Amendment implications that United States v. New York Telephone Company did not (although this has not been tested in court yet).