Brom Protocol Error Check Device Environment !!exclusive!! Now

A BROM (Boot ROM) protocol error is a critical communication failure between a computer and a MediaTek (MTK) device. It occurs during the lowest level of the device booting process. When flashing firmware or unbricking a phone, this error halts the process completely.

Some devices require the battery to be connected to trigger BROM, while others require it to be disconnected. Try the opposite of your current method. brom protocol error check device environment