After my S21 was updated to Android 13 I noticed a drastic loss of audio quality in Bluetooth playback. Both in my earbuds (Anker Soundcore Life A2 NC) and in my headphones (Bose NC700) you notice a high distortion of the sound as if it plays at 96kbps. This problem happens regardless of the app used (Spotify, Deezer, Samsung Music). This problem did not occur on Android 12. My mother's Samsung M52 suffers from exactly the same problem after the update to Android 13.
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Hi there! I can see how inconvenient it is to have distorted audio when listening to music. Here's what I would try to help correct this behavior:
This link provides troubleshooting steps that may help: https://www.samsung.com/ph/support/mobile-devices/how-to-fix-audio-and-microphone-issues-on-your-gal...
I tried everything you suggest. Even before I make the question here I tried the factory reset. However, it did not solve the problem. Is this a known bug of OneUI 5? Because there's another thread reporting the same problem on S21 FE and A53: https://us.community.samsung.com/t5/Galaxy-S21/Distorted-sound-on-headset-and-Bluetooth/td-p/2470615
Unfortunately, if the troubleshooting article did not help I recommend letting a service technician have a look. As we would like to gather additional information and look at this from a case by case basis please provide the full model code and the serial number of the device as well as your best contact phone number, name, and email.
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