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Black screen after firmware update - 2018 RDX

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  • Black screen after firmware update - 2018 RDX

    I have a HON3VL2 installed on a 2018 Acura RDX.
    I got the latest firmware for GROM-VL2-HON3 which was still pointing to in the following page:
    When I inserted the USB, I got a prompt to upgrade to the newer version of firmware. After reading the USB for more than 30 minutes, the display still stays off.
    Now, when I want to restart the firmware update, there is no screen to proceed. Can someone from Grom audio please help so that I can safely use the car again?
    If others have come across this issue and know of a solution, please help out with suggestions.
    Thanks for your help.

  • #2
    Please contact our technical team at They will help.