Researching how manufacturers can implement more resilient hardware-based roots of trust to secure the boot process.
To make your PC recognise an Oppo or Realme device in this state, you must install the correct VCOM drivers. Without them, the device may appear as an "Unknown Device" or "MT65xx Preloader" with a yellow warning triangle in Device Manager. how to install MTK VCOM USB Preloader Drivers oppo realme mtk preloader
To understand the Preloader, one must understand its position in the boot sequence: oppo realme mtk preloader
Oppo and Realme devices use a heavily customized MTK Preloader that requires digital signatures to function. oppo realme mtk preloader