I have this problem too.
When I updated to iOS 14.4 and more, my iPhone 11 has some bluetooth issues. Apple didn't fix that with any updates or something. I tried everything. Literally everything.
Interesting thing, there is no bug or something while connecting bluetooth. It appears mostly while playing music or video.
Apple, please solve this problem. It's really disturbing and sometimes I want to break my phone.
Itupi
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