forums are kinda hilarious. people ask for help and people instead respond with their opinions
https://www.supramkv.com/threads/new-a91-cf-missing-cf-rear-spoiler.14692/
https://www.sparksparts.com/oem-parts/toyota-rear-lip-spoiler-carbon-fiber-exposed-weave-pt967c122009...
mine opens to the default screen and sometimes to apple music. i'm sorry, i've had two supras and they've both done this. maybe try some basics like disconnecting and connecting the phone (forgetting device)?