: Newer MediaTek chipsets may not allow standard BROM access via hardware buttons.
Uninstall old VCOM drivers and install the signed MTK drivers. Stable COM port identification. brom protocol error check device environment
driver specifically for the "MediaTek USB Port" or "Preloader USB VCOM". Use a Different Port/Cable : Connect directly to a USB 2.0 port : Newer MediaTek chipsets may not allow standard
: Use a bypass utility or provide the specific Auth file required by your device's firmware. Advanced Troubleshooting brom protocol error check device environment