15 and 15 Plus can be tested directly on DL 400 Pro tester (32G), 15 Pro and 15 Pro Max must connect a middle EDP board. One EDP board can be used for all Pro series.
This test cable is only suitable for DL 400 Pro tester (must be 32G nand). If your tester is 16GB only, please buy a 32G nand and solder it to your old tester and then you can buy 15 series cable.
