Hello Lingxing,
If you want use the product of KW3x and KW3x , please download and install KSDK1.3,
about the download and install please refer to the doc of "KDS_Users_Guide.pdf"
(it under the KDS install directory : KDS_3.0.0\doc)
You can download it at here :
https://nxp.flexnetoperations.com/control/frse/product?entitlementId=123594587&lineNum=1&authContact...

After install it , restart KDS .
Hope it helps
Have a great day,
Alice
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