You could try the following to reset you Bluetooth adapter. Reset your Network adapters, see if that helps.
Settings, System, Reset Options, Reset WiFi Mobile Bluetooth.
This may also help.
Disable "Sleep Standby Optimisation " in the
Settings, Battery, Battery Optimisation, 3 dots menu top right, Sleep standby optimisation.
Re-start your device.
How to Fix Bluetooth Pairing Problems
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