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Every phone will ship with an adapter.
<img src="https://cdn0.vox-cdn.com/thumbor/aiZ4BAn-12LQXIFhHLpSFPIAu30=/0x0:2039x1359/1280x854/cdn0.vox-cdn.com/uploads/chorus_image/image/50724941/apple-iphone-watch-20160907-5185.0.0.JPG" width="600" />
Okay then. Problem solved