Kinda late now, we used to have battery problems, they would lose performance after 1-2 years, but not anymore. It would be better if they forced manufacturers to provide easy glass and touchscreen replacement which tend to fail much before batteries
My last few phones had cracked screen after 2-3 years and battery could still hold for a day or more. But yeah battery used to be a first thing to fail on almost every phone before that. Just my experience
they would lose performance after 1-2 years, but not anymore
I definitely get battery degradation after 1-2 years still. A lot of phones have good enough total battery life now that it doesn't matter nearly as much, but it definitely still happens