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I have an old CDMA dongle lying around, so I thought to try to reverse engineer them, but am unable to figure out the UART or JTAG pins, I have attached a photo of the probable pins, can anyone help on how to confirm. This is the link to the FCC website. Thank you! https://fccid.io/QISEC156/Internal-Photos/Internal-Photos-1419925

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    1 - please post the picture of the other side too. 2 - do you see name on the micro-controller ?
    – w s
    May 17, 2021 at 18:54
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    What voltage readings do you get from them? Any connected to ground? May 17, 2021 at 20:51

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