*Solved* Like others I was having the constant disconnect issues with my S9, Note9 and S10+ paired to my Land Rover Discovery Sport (2017). I saw in another forum that someone (apologies for not recalling who for credit) installed this app which fixed the issue for them. I gave it a try and it worked!! https://play.google.com/store/apps/details?id=com.android_rsap.irmc App is called Bluetooth Phonebook by android-rsap.com. This app has solved many months of pure frustration.
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