Audio background mode not working with react-native-track-player

I'm currently use react-native-track-player to stream audio from Internet. Works fine.

I would like now to use it in background mode, to be able to continue to listen to radio if my ap is in background mode.

I followed instructions from https://react-native-kit.github.io/react-native-track-player/background/, so add capabilities in xCode, with should be enough.

It doesn't work so I also add

TrackPlayer.updateOptions({
    stopWithApp: false
});

but stil not working.

Any idea or experience with this audio library in background mode ? Thanks !