/usr and /lib are not writable/etc is writable/usr/local is writablesystemctl edit service.servicesystemctl edit service.service that kyle mentioned and it will put the changes into /etc for you systemctl daemon-reload and restart the service?systemctl show bluetooth.servicesystemctl show bluetooth.service | fpasteExecStart={ path=/usr/libexec/bluetooth/bluetoothd ; argv[]=/usr/libexec/bluetooth/bluetoothd ; ignore_errors=no ; start_time=[Sun 2024-07-28 13:38:19 MDT] ; stop_time=[n/a] ; pid=15030 ; code=(null) ; status=0/0 }ExecStart={ path=/usr/libexec/bluetooth/bluetoothd ; argv[]=/usr/libexec/bluetooth/bluetoothd ; ignore_errors=no ; start_time=[Sun 2024-07-28 13:38:19 MDT] ; stop_time=[n/a] ; pid=15030 ; code=(null) ; status=0/0 }