@David-TP Thanks a ton! I got the below steps performed and it worked for me for now. I'm closely monitoring it and will soon update if see any further issues. Turned off Fast Roaming. Disabled Mesh...

@ImtiazAli Samsung M31s, Samsung A32 Deco M4 V4

@LondoKardashian so still some issues and we need TPlink experts to advice us on resolving this

I also thought initially being problem with phone but same type of issue appearing with other android devices

Yes I thought issue would be with hardware but facing same issue with both deco m4. So something to do with configuration i believe

@David-TP It's the second scenario where android kept on connecting /disconnecting even if screen is on/off. I tried multiple options for e.g switched to 2.5G band only but didn't worked.