What you need

  1. Simplicity Studio v5
  2. SiSDK 2024.12 or later
  3. A Silicon Labs Wireless Starter Kit with EFR32xG21 radio board
  4. or a custom HW with a Jlink probe connected to it (WSTK in OUT mode works!)
  5. Railtest project already created (see Rail –> Adding bootloader support)

Once you have all of the above, you are ready to start