In late 2022, Bose officially ended active feature development for the SoundTouch line. However, are still released sporadically. If your SoundTouch 20 is more than 6-7 years old and you cannot update, consider:
Bose SoundTouch 20 software update, update failed, firmware, desktop recovery, USB update, SoundTouch app, troubleshooting, brick fix. bose soundtouch 20 software update
Bose has discontinued the original SoundTouch line in favor of the newer Bose Music platform (for products like the Home Speaker 500). However, Bose still provides critical updates for SoundTouch products via the legacy SoundTouch app . In late 2022, Bose officially ended active feature