Select > Have Disk and browse to the extracted .inf file.

Critically, BROM also listens for a specific signal over USB. If triggered correctly, it will enter (also called Meta mode or Download mode), waiting to accept code over USB before the main bootloader loads.

The most basic emergency state used when a device is heavily bricked. It allows tools like the MTK Client to read/write flash.

More specifically, in advanced repair circles, often refers to a "hot" BROM connection —a method that bypasses authentication or security checks by interrupting the boot sequence at a precise electrical moment. This can involve:

MediaTek devices utilize distinct hardware-level modes to facilitate communication with a PC during different stages of the boot process: BROM (Boot ROM) Mode

This is the lowest-level connection. It works even when your phone is completely "dead" or stuck in a boot loop. It allows the PC to communicate with the hardware before the Android OS even starts.