Few things doesn't make sense:Samsung always releases the updates in South Korea first and there has not been any information regarding update for 23 series there. But Vietnam Newsroom says 23 series will get it on 14th, it doesn't seem right.S24 an...
Updates are based on CSC code and India has always been one of the last regions to receive the updates. It has always been this way and you can check the release history in the links shared below.South Korea: https://doc.samsungmobile.com/SM-S928N/K...
It has been that way for me with both Samsung and iPhone charging adapters used with the cable which came in the box.Are you seeing this after the update? I have noticed battery drain issue but no noticeable difference in charging speed.
Are you talking about the message displayed going from "Fast charging" to "Charging"?If yes, then that is how it has been. If you open settings you can see that it is still using fast charging.
Is your device unlocked International model? If no then you have to switch back to original CSC to get the updates.You can also flash the ROM using Odin.