this post was submitted on 25 Oct 2024
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I thought that coil was the NFC coil so that the phone could identify the case and accessories. It’s only a few threads, which would be small for an induction coil.
Oh, I see. No, apparently, Apple guards its NFC protocols extremely closely. Only recently have they been (forced to be) more open about how it all works— and to allow third-party access.
Yeah, the more I look up this, it looks like an NFC loop is part of the MagSafe / Qi 2 protocols.