iWATCH secret port

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#1
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Hoping for a handful of magic beans here....

 

I have an iwatch here on the desk that I have been asked about designing a gadget for.  Ther was back in 2015 quite the buzz about this "secret port" apple put on the watch with one intrepid person/group making a new strap for the watch that had a battery in it that supposedly charged the watch faster than the inductive method:

https://www.businessinsider.com/...

 

 

I have also read blogs that Apple promptly did a software update that rendered this no longer possible.

 

After a lot of Yahoo-ing, and Google-ing with limited success I am still in search of the pinouts for this port.  I can get a probe that apparently the cell phone stores use to do things to the watch at the store through the 'secret port', but I was hoping that the pinouts would be available by now as the "Port Reports" have been around since 2015.

 

Has anyone managed to find anything on this port?

 

Jim

I would rather attempt something great and fail, than attempt nothing and succeed - Fortune Cookie

 

"The critical shortage here is not stuff, but time." - Johan Ekdahl

 

"If you want a career with a known path - become an undertaker. Dead people don't sue!" - Kartman

"Why is there a "Highway to Hell" and only a "Stairway to Heaven"? A prediction of the expected traffic load?"  - Lee "theusch"

 

Speak sweetly. It makes your words easier to digest when at a later date you have to eat them ;-)  - Source Unknown

Please Read: Code-of-Conduct

Atmel Studio6.2/AS7, DipTrace, Quartus, MPLAB user

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I would guess on a impedance controlled interface, using the the normal connector but different impedance giving different functionality. I remember a talk (defcon?) where applying different loads to the USB toggled different modes of the port, including a root shell maintenance mode, might be something to google...

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Thanks!

 

Jim

I would rather attempt something great and fail, than attempt nothing and succeed - Fortune Cookie

 

"The critical shortage here is not stuff, but time." - Johan Ekdahl

 

"If you want a career with a known path - become an undertaker. Dead people don't sue!" - Kartman

"Why is there a "Highway to Hell" and only a "Stairway to Heaven"? A prediction of the expected traffic load?"  - Lee "theusch"

 

Speak sweetly. It makes your words easier to digest when at a later date you have to eat them ;-)  - Source Unknown

Please Read: Code-of-Conduct

Atmel Studio6.2/AS7, DipTrace, Quartus, MPLAB user