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how to unbrick mcx-1705ad headunit

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    how to unbrick mcx-1705ad headunit

    I hope I post it in the right topic since this is about my headunit (car audio device)
    My MCX-1705AD (Podofo but many brands are known) is having a bootloop, it wont start up.
    Booting to recovery is not possible via frontpanel so I did it with "COL0" testpoint on the mainboard.
    Then it shows "no command" screen and from there I grounded the "PWR" testpoint (frontpanel again don't work)
    It took me a few days to figure out how to boot into recovery but again a problem; the only 2 options here are "reboot system now" and "apply update from adb".
    But ADB via usb is not possible, the 3 ports on the device acts like HOSTS so my PC doesn't sense any USB device (tried windows and ubuntu).
    On the PCB there are not labeled testpoints like D+ or DP only RX and TX, RX1 TX1 RX2 TX2 I connected to a PL2303 USB stick (rx to tx, tx to rx and gnd), of course with the proper drivers but only gives errors in SPflashtool. Am I out of options now?
    Some info about the device:
    It's 1 DIN car stereo with flip-screen, type MCX-1705AD, PCB labeled as MCX-1704 and frontpanel PCB MCX-1703...
    Firmwarefile from seller is labeled as A2098
    Processor Mediatek MT8127a

    More info http://specdevice.com/showspec.php?id=1770-bc17-d896-7aa80033c587


    #2
    Originally posted by K0EN1E View Post
    I hope I post it in the right topic since this is about my headunit (car audio device)
    My MCX-1705AD (Podofo but many brands are known) is having a bootloop, it wont start up.
    Booting to recovery is not possible via frontpanel so I did it with "COL0" testpoint on the mainboard.
    Then it shows "no command" screen and from there I grounded the "PWR" testpoint (frontpanel again don't work)
    It took me a few days to figure out how to boot into recovery but again a problem; the only 2 options here are "reboot system now" and "apply update from adb".
    But ADB via usb is not possible, the 3 ports on the device acts like HOSTS so my PC doesn't sense any USB device (tried windows and ubuntu).
    On the PCB there are not labeled testpoints like D+ or DP only RX and TX, RX1 TX1 RX2 TX2 I connected to a PL2303 USB stick (rx to tx, tx to rx and gnd), of course with the proper drivers but only gives errors in SPflashtool. Am I out of options now?
    Some info about the device:
    It's 1 DIN car stereo with flip-screen, type MCX-1705AD, PCB labeled as MCX-1704 and frontpanel PCB MCX-1703...
    Firmwarefile from seller is labeled as A2098
    Processor Mediatek MT8127a

    More info http://specdevice.com/showspec.php?id=1770-bc17-d896-7aa80033c587
    Hi buddy, trying the same, did you get any output on this as of now?

    Regards,
    Nasaka Smith
    Forum is Love

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