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JMM-L22 any operation failed (and other MTK) by HCU

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  • JMM-L22 any operation failed (and other MTK) by HCU

    JMM-L22 any operation failed (and other MTK)
    because software dont connect with phone

    *#*#14789632#*#*
    ProjectMenu
    3.Background setting
    2.USB ports setting
    Select Debug mode

    Select MediaTek USB VCOM (Android) COM port

    2019-07-07 13:26:28.869 Open COM port COM88 (DBAdapter - PC UI Interface (COM88))...
    2019-07-07 13:26:28.985 Start read phone info!
    2019-07-07 13:26:30.185 Connecting to server...
    2019-07-07 13:26:30.987 Connected!

    2019-07-07 13:26:32.588 ERROR!

    Write to port error!

    when tick "mtk usb generic", phone enable META-mode and dont connect too

    Searching phone (insert the USB cable in the powered off phone)...
    Phone detected (MediaTek PreLoader USB VCOM (Android))
    Preparing to start MTK USB Debug mode...
    Looking for debug port (drivers must be already installed)...
    MTK USB debug mode entered!
    ERROR: General error.
    RESULT: General error
    Last edited by Eraser; 2019-07-07, 02:49 PM.
  • #2

    Your phone is not even supported.

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