Apple has its own do-it-yourself repair program, but even if you don't use that, you can actually replace your iPhone's battery yourself at home. With affordable third-party components and ...
If you want longer battery life, remove the app by long-pressing its icon on the Home Screen and clicking the "x ... of the iPhone -- which is rare. Apple offers in-store battery replacement ...
If you go to Settings -> Battery on your iPhone, you can see a lot of stats about the performance and health of your battery. This includes a charge graph that plots the battery percentage of the ...