Flashing your device carries risks and will void your warranty. Always back up data if possible before attempting a repair.
If the phone occasionally boots normally before crashing: vivo v7 dump file
To flash a Qualcomm-based Vivo V7, you must put the device into EDL mode. This often requires opening the back cover and shorting two specific test points on the motherboard while connecting the USB cable. Flashing your device carries risks and will void