Go to Settings & Search for "Reset".
Select "Reset Network Settings" & Reboot
⚠️You'll need to know your passwords for your WiFi Network & Re-Pair any Bluetooth Devices ⚠️
See if that works for you.
Never happened even once, on my S20 Ultra One UI V5.1.
Reset Network Settings or Backup & Factory Reset.
It's absolutely, definitely NOT a device or software issue! Most likely 3rd party hardware or apps that are the issue.
I use Jabra Buds & a TAG Smart Watch with no issues, ever!
Nothing is a "given". With all due respect, there have been posts where people complained about Camera focus being blurry on a brand new phone, and they said they tried everything.. but turned out that they hadn't removed the plastic shipping protector from the Camera's lens lol.
If you haven't already, and if it were my device, AND as you mentioned that this started happening recently, I would start with:
- Backup your device with Smart Switch.
- Boot into Recovery & Wipe Cache & test.
- If it's still an issue, Factory Reset.
- If still occurring, visit a Samsung Service Centre to get it checked out by a tech.
Instructions on how to Wipe Cache & Factory Reset:
Well, you are definitely one of the rare few people, who READ virtually ANY of the Guides / FAQ or Trouble Shooting steps.. so aside from the very rare occurrence of your reading, I'll stick with my "it's not a given", you being the exception, rather than the rule. 😉