Spark - Firmware

FBXIR Version History

Beta	Version	Date
☒	1.6.6	July 11, 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

v1.6.6

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

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.

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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.

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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.

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v1.3.0

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

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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.