It doesn't have to be, the PinePhone's modem runs a proprietary Linux distro, which you can replace with an open source Linux distro. That is only the ARM processor of it though, the Hexagon one is all proprietary.
It doesn't have to be, the PinePhone's modem runs a proprietary Linux distro, which you can replace with an open source Linux distro. That is only the ARM processor of it though, the Hexagon one is all proprietary.