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Tee Gentry


(Photo by Sean Gallup/Getty Images)

If your iPhone feels slow or dies fast, you may need a new battery - here's how to check

If your iPhone feels like it runs a bit slower than it used to, or if you notice that the battery life doesn't seem to be as good as when you bought it, it may be time to replace it. That's because the batteries in the gadgets we use get slowly worse as they age.