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LAUNCHXL-CC26X2R1: LAUNCHXL-CC26X2R1 Hardware version difference?

Part Number: LAUNCHXL-CC26X2R1
Other Parts Discussed in Thread: CC2642R, CC2652R

I bought a launchxl-cc26x2r1 demo board on the official website, but it is different from the one shown on the official website and cannot run the latest example code.What's the difference between the two demo boards?What should I do with the demo board I bought?

   (the last is official )