How to tell if your iPhone battery needs replacing

Video: Healthy iPhone battery or not, you can still get a replacement for $29

Late last year it came to light that Apple has included code in the iOS operating system that throttles the performance of iPhones if the battery is showing signs of wear. The good news is that Applewill carry out a battery swap for $29, but how do you know if it will help?

Must read: Apple seems to have forgotten about the whole ‘it just works’ thing

Now, you could just throw $29 at Apple and hope that this will speed up your old iPhone, giving it a reprieve. Problem is, an iPhone that’s just slow might not be slow because iOS is throttling the performance, and won’t benefit from a battery swap (other than the fact that…

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