Spark – Firmware

FBXIR Version History

Beta Version Date
1.7.0 December 15, 2025
1.6.9 December 4, 2025
1.6.8 October 8, 2025
1.6.6-1.6.7 July 11 – July 28, 2025
1.6.5 May 21, 2025
1.6.4 May 5, 2025
1.6.3 December 18, 2024
1.6.2 December 7, 2024
1.6.1 November 22, 2024
1.6.0 September 1, 2024
1.5.6 January 30, 2024
1.5.5 January 29, 2024
1.5.4 January 25, 2024
1.5.3 December 20, 2023
1.5.2 December 13, 2023
1.5.1 November 16, 2023
1.5.0 November 6, 2023
1.4.6-1.4.10 June 19, 2023 – February 3, 2023
1.4.5 January 10, 2023
1.4.4 December 20, 2022
1.3.0 May 17, 2022
1.2.2 April 21, 2022

Release Notes

v1.7.0

NOTE: This version is currently being tested by the FireBoard Beta Program.

  • NEW: Reworked a number of system fonts and screens.

v1.6.9

  • Fixed a critical build issue in v1.6.8 that caused Bluetooth not to work.

v1.6.8

  • Changed the priority of Food-Timer View. It will now show instead of Syncmode View when enabled.
  • Fixed an issue where Food-Timer View is not available in Views when a Leave-in Probe is connected and the Fold-Out Probe is shut.
  • Fixed a visual issue where the temperature display of a Leave-in Probe would override the current View when the device is oriented vertically.
  • Other bugfixes and improvements.

v1.6.6 – v1.6.7

  • (Internal changes only)

v1.6.5

  • Fixed Wi-Fi performance / reliability when connected to a mesh network.
  • Fixed small memory leak introduced in v1.6.4.
  • Increased the maximum number of Access Points available in a Wi-Fi Site Scan from 15 to 32.

v1.6.4

  • NEW: Added feature for remote crash reporting.
  • Fixed a bug where temperature readings could be lost or have an incorrect time stamp when taken soon after powering on the device.
  • Fixed a bug where button pressses could be lost or slow to respond soon after powring on the device and opening the menu.
  • Fixed a crash that happens when an NFC tag is placed on the NFC reader while powering on the device.
  • Fixed factory-reset reverting firmware version if there is a previous version.
  • Fixed memory leak in connectivity test failures. May have caused crashes
    over many hours of poor Wi-Fi conditions.
  • Fixed memory leak in cloud connection TLS failures. May have caused crashes
    over many hours of poor Wi-Fi conditions.
  • Upgraded autofill implementation to reduce peak RAM usage. May have caused
    crashes if device was running but offline for a long period of time.

v1.6.3

  • Fixed various bugs.

v1.6.2

  • Fixed Wi-Fi scanning issues.

v1.6.1

  • (Internal changes only)

v1.6.0

  • NEW: Added support for FireBoard Pulse.
  • NEW: Added support for connecting to WPA3 Wi-Fi networks.
  • NEW: Added the ability to view SyncMode while an External Probe is connected, and the Fold-Out Probe is shut.
  • NEW: Added a Settings menu option for disabling Power Savings.
  • Improved speed and robustness of time synchronization on start-up.
  • Updated fonts on Graph View while an External Probe is connected.

v1.5.6

  • Improved the responsiveness of the NFC Reader.

v1.5.5

  • (Internal changes only)

v1.5.4

  • Fixed a bug where the NFC Reader occasionaly becomes unresponsive until reboot.
  • Fixed a bug introduced in v1.5.0 where Auto-Hold temperatures sometimes were not reported.

v1.5.3

  • (Internal changes only)

v1.5.2

  • Fixed a bug where part of the calibration on the Fold-Out Probe is applied incorrectly.

v1.5.1

  • (Internal changes only)

v1.5.0

  • Fixed a bug where haptic patterns could get stuck repeating.
  • Fixed a bug where SyncMode could fail to subscribe to relevant messages.
  • NEW: Added a Settings menu option for disabling the ‘TIMER?’ prompt when shaking the device.
  • Moved a main menu option ‘FACTORY RESET’ to the bottom of the Settings menu.
  • Updated Bluetooth and battery icons.

v1.4.6 – v1.4.10

  • (Internal changes only)

v1.4.5

  • Added a Settings menu option for Auto-Hold mode, ‘ALWAYS and ‘NFC ONLY’.

v1.4.4

  • Added a food timer feature, the user is prompted ‘TIMER?’ when shaking the spark.

v1.3.0

  • NEW Added a Power Savings feature. SyncMode will auto sleep when no data available, tap to wake up.
  • Improved NFC Reader.

v1.2.2

  • Added Multi-Channel View to SyncMode.
  • Improved Power Savings.
  • Improved responsiveness of SyncMode.
  • Improved the Auto-Hold algorithm.
  • Fixed Battery charge indicator.