Not the same phone. But my A53 is holding up fine.
I use it since launch
A54 has prob a better battery then the S23 FE
I have A53 rn. Since launch. Still doing a great job for those task you describe.
So A54 should be the same
Using a Samsung usb c to aux. I don’t need to charge it and playing music at the same time so
Why do you want that? Judt buy one with a keyboard. It does not matter if you don’t use it.
You are not going to find a laptop that is made for using everywhere without a keyboard 😂😂