Other "Express Cards with power reserve"

suchnerve

macrumors newbie
Original poster
Sep 14, 2018
1
1
USA
Does anybody here know what this is? Apple listed "Express Cards with power reserve" under the "Cellular and Wireless" parts of the tech specs of both the iPhone Xs and Xr.

Screen Shot 2018-09-14 at 2.27.56 PM.png
 
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JPack

macrumors 603
Mar 27, 2017
5,663
8,601
It's just a Japanese NFC transit card function. You can still tap in and out even if the phone battery is dead.
 
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