Apple Watch Series 7 Lacks Hidden Diagnostic Port, Likely Uses Wireless Data Transfer Instead

Last month, FCC filings revealed that Apple Watch Series 7 models are equipped with a new module that enables 60.5GHz wireless data transfer. This module is not advertised on Apple’s website and is likely for Apple’s internal use only.

The hidden diagnostic port on an Apple Watch Series 3

MacRumors has since confirmed with The Verge‘s Dieter Bohn and others that the Apple Watch Series 7 lacks a hidden diagnostic port that was located in the bottom band slot on all previous Apple Watch models. Apple used the port for diagnostic purposes when servicing an Apple Watch, such as to restore watchOS over a wired connection with a special tool.

The lack of a diagnostic port on Apple Watch Series 7 models likely explains the addition of the 60.5GHz wireless data transfer module. FCC filings indicated that the module is only activated when the Apple Watch is placed on a proprietary magnetic dock with a corresponding 60.5GHz module, so it sounds like Apple might use this dock to perform diagnostics or restore watchOS wirelessly on Series 7 models.

It’s also worth noting that Series 7 models feature IP6X-rated dust resistance, so perhaps the diagnostic port’s removal helped with that to some degree.

Apple Watch Series 7 models will begin arriving to customers and launch in stores this Friday, October 15. Key features include larger displays with 41mm and 45mm case sizes, enhanced durability with IP6X-rated dust resistance, up to 33% faster charging with an included USB-C fast charging cable, and new aluminum colors.

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