It's wanting access to a single serial port, that should have nothing to do with location. On Linux (on eg a pinephone or thinkpad) that would be adding the sa

It's wanting access to a single serial port, that should have nothing to do with location. On Linux (on eg a pinephone or thinkpad) that would be adding the sandbox user to the dialout group (or to restrict it to a single port, creating a udev rule and adding the user to a special group.) Furthermore, having a closed app for this instead of some standard protocol (we have dozens) is completely ridiculous. This is a great example of two massive failures in the status quo for smart phone OSes and how they've been a regression in terms of privacy and security.