Apple's new Leather Folio is like a Smart Cover for your iPhone X - 9to5Mac
One month living with Apple's $129 iPhone Smart Battery case | by Ben Welham | Mac O'Clock | Medium
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iPhone XS、iPhone XS Max、iPhone XR 用 Smart Battery Case 交換プログラム - Apple サポート
Apple's new Smart Battery Case fits an iPhone X, but charging requires iOS 12.1.3
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