You'll find "TPA" folder, if you follow these steps:
1.Connect with FAR+JDFlasher
2.Click ALT+F1 and choose "just da flasher"
3.Put "db2020" to script, "DCU60" to port, 921600 to speed and click "jump down into a large rabbit hole".
4.Double click on "ofs".
Select the code above, copy and paste it into notepad and save it as "customize_upgrade.xml".