Looks like the S10's still support LDAC. : r/galaxys10
Samsung Galaxy S10 | Page 112 | MacRumors Forums
Amazon.com: TUNAI Firefly LDAC Bluetooth Receiver: High Resolution Wireless Audio Bluetooth 5.0 Adapter with Audiophile USB DAC 3.5mm AUX for Car/Home Stereo Hi Res Music Streaming; Auto On, No Charging Needed :
Amazon.com: TUNAI Firefly LDAC Bluetooth Receiver: High Resolution Wireless Audio Bluetooth 5.0 Adapter with Audiophile USB DAC 3.5mm AUX for Car/Home Stereo Hi Res Music Streaming; Auto On, No Charging Needed :
Android 11 Loss of "HD Audio" in Developer Settings | XDA Forums
Samsung should add all aptX Bluetooth audio codecs to their line of Galaxy S products : r/samsung
Samsung S10 | Headphone Reviews and Discussion - Head-Fi.org