1. This method is suitable for most MTK Android phones, there will be special circumstances.
2. Please confirm the ROM is suitble for your phone.
3. Flash ROM have risk of your phone.
4.
Sometimes the computer is missing android usb drive or pop INF Install
invalid information, such as encountered situation, install write-yard
drive in the android cdc and usbser.sys, then install the USB VCOM
5. Because my computer can not using with English, so Screenshot are Chinese, i think you can understand it.