5 Get the Battery Replaced
You should, ideally, aim to replace your smartphone’s battery every few years. While older batteries aren’t just going to automatically explode when they reach a certain age, they do have a higher chance of failing than fresh ones.
It’s just generally smart to get them swapped (as an added bonus, this can boost the performance of your iPhone). That’s especially true if the battery has suffered any kind of damage. But you should not just get your battery replaced anywhere, which brings us to the next slide..