I fitted the Blaupunkt retro radio that Peter J mentioned above in to my S3 and then you can connect your phone via Bluetooth and listen to whichever radio station you like via 4/5G! Great stereo with no led screen or flashing lights etc.
https://www.caraudiodirect.co.uk/bl...ar-stereo-bluetooth-mp3-sd-usb-dab-radio


Cheers, Paul