Which type of flash you need to make it?
-if you need to make firmware upgrade, not neded. Connect data cable and start flash...
-if you need to make fullflash, have two options:
1. If your phone is unlocked or have inside firmware down with 36, not neded.
2. If your bootcore is damaged or your phone short splash display, you need to make testpoint...
Search on this forum how to make it. Have manny posts regarding your request.
dagos