I'm guessing you also spent a good deal of time rearranging your home screen on the new phone as well. That seems normal as well.
Usage is just that. The more you use something it will display. I don't see anything crazy on yours but low signal.
Here is mineView attachment 65545
View attachment 65582. what is low singal, is that a good thing
Low signal is when your cellular signal is low. Your phone uses more battery because it's constantly searching for a signal to maintain a network connection. It's not a good thing.
Low signal is nothing you have control over right. Except report it to at&t