Open your root manager (e.g., Magisk) and ensure Spirit2 has been granted superuser rights. Alternatively, use a terminal emulator to change permissions by typing su followed by chmod 666 /dev/radio0 (or your specific radio node path). Issue 2: App Tunes to Station, But There is No Audio

If you're using a version that keeps crashing or failing to start, try these common community-sourced fixes:

A number appeared on the app's interface. A number that wasn't in any phone book.

A: The headphone jack is used solely as an FM antenna. Apps like Spirit2 cannot repurpose it to also function as a microphone for calls.