.. include:: ../substitutions.rst Installing the Firmware ======================= This chapter focuses on the process of flashing the SPI-NOR flash with a Zephyr firmware. See chapter |ref-build-fw| how to build a Zephyr firmware or pick one from the |ref-prebuilts| files. .. toctree:: :maxdepth: 1 flash-jtag.rst flash-usb-otg.rst