It's easy to replace your iPhone's battery and it can give your phone a brand new lease on life.

Even just using your iPhone ... the battery itself could swell and warp enough to damage sensors and internal parts of the iPhone -- which is rare. Apple offers in-store battery replacement ...

Anyone with an iPhone can tell you that Apple is notoriously bad when it comes to battery life. And for those who don't want to upgrade or replace their device every year, it seems like there are ...