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Apple's new Smart Battery Case fits an iPhone X, but charging requires iOS 12.1.3
Apple's new Smart Battery Case fits an iPhone X, but charging requires iOS 12.1.3
iPhone 3GS Replacement Battery
Here's a genius trick to boost your iPhone battery life
3 iPhone Settings You Should Always Have Turned On For A Longer-Lasting Battery - SHEfinds
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iPhone 3G Replacement Battery - iFixit
Charge your AirPods and learn about battery life - Apple Support