Updating RTK Device Firmware EVK: Facet mosaic: Postcard: Torch: The RTK Devices run a variety of firmware. Please see the device specific pages for more information about the update methods: RTK EVK Updating ESP32 Firmware Updating u-blox Firmware RTK Facet mosaic Updating ESP32 Firmware Updating mosaic-X5 Firmware RTK Postcard Updating ESP32 Firmware Updating LG290P Firmware RTK Torch Updating ESP32 Firmware Updating UM980 Firmware Updating STM32 Firmware