bravo22·8 лет назад·discussLooks like I was correct. This image from Bloomberg article seems to indicate SPI flash (https://twitter.com/jamesdotcuff/status/1048221163607007233)
bravo22·8 лет назад·discussIt does look like a balun which is clever but based on the pinout I think it is meant to intercept SPI flash and patch it as needed.