I'm still using the iPhone 6s that I bought in 2015, and it's practically as good as new. It's still using the original battery, which doesn't seem to hold char

I'm still using the iPhone 6s that I bought in 2015, and it's practically as good as new. It's still using the original battery, which doesn't seem to hold charge for as long anymore, but even so, it's doing remarkably well.