Yes it's a bit laggy may be due to less ram. Even my tab s7 with 6gb ram gitters sometimes also SD 720g is 3 year old processor. You can clear cache partition and perform reset but there may be less improvements.
As per your issue, we request you to please report the problems with a log file and also share a short video of the issue. To share a log file, click on the Samsung Members Application (Open Samsung Members Application > Support> Tap on error report > Type your query > Send).
