How to: Check iPhone battery health, DIY replace, and speed up performance

9to5Mac
By Michael PotuckDec 20, 2017, 5:23 pm1.6k ptsHotTop
Looking to speed up your iPhone? A battery replacement may be one of the best options. Apple has shared that it decreases iPhone performance to guard against less predictable, older batteries from early shutdowns. However, if you plan on keeping your iPhone for a while longer or want to hand it down, a $25-$79…

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