My samsung galaxy tab A8 low sound problem anyone facing the issue please tell me how to fix it

After one ui 6 update apps are not running in background even whatsapp and youtube is not use at same time in galaxy tab a8 

After one ui 6.1 sometime recent button not working please solve this issue "Samsung"

"Hey @Samsung!  Any chance we could get some insights on why the Android 14 update isn't available for Samsung Tablet A8? 樂 Many users are curious and excited about the latest features and improvements. Your transparency would be much appreciated! #...

Why samsung dont give one ui 6.0 update on galaxy tab a8 however samsung promise give update in february .