When will the Samsung A25 5g get the 8.5 update and how many days will I have to wait?

Why this happening in my samsung a25 5g phone?

I'm using samsung a25 5G and he suddenly sometimes shut down while using or not I want solution for this problem

I need to know if others users of samsung A25 5G are facing 5g connectivity issue. I have been facing this issue from the beginning.It automatically switches to 4g network and the speed of the internet goes down and then i manually have to either tu...