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Release notes for ioTracker 3 firmware


How to update

  1. Install the ioTracker Configurator App. Read our Config app introduction page for further guidance.
  2. Login to your ioTracker 3 device. Read our Config app quick start page for further guidance.
  3. Ensure the Wi-Fi configuration matches the Wi-Fi network which is present and accessible. Read our Config app Wi-Fi page for further guidance.
  4. Initiate a firmware update process. Read our Config app firmware update page for further guidance.
  5. Optionally login to your ioTracker 3 again to verify new firmware has been installed successfully.


Be aware that updating your ioTracker 3 will replace your ioTracker 3 factory default configuration, when performing a factory reset. This could be problematic if you are running tailored ioTracker firmware (having non-standard factory default configurations). Please reach out to us via for further guidance.



New features and fixes


  • Added button event to payload for easy distinction between single, double, long press
  • Added feature to Bluetooth scanning to start WiFi scan if insufficient Bluetooth scanning results
  • Added WiFi feature to start GPS when home WiFi is not found
  • Added feature to activate WiFi or Bluetooth scanning on man-down states
  • Added option to remotely set the state of man-down algorithm
  • Added option to disable using the button to enter man-down sleep state
  • Added option for man-down to send confirmed uplinks
  • Added a iot_adv_2 config option to run in a slightly higher power setting to faster start WiFi scan
  • Added option to configure longer delay for entering button hold config window
  • Added a feature to keep the LoRa current LoRa region even with factory reset
  • Added support for external temperature sensor (option)
  • Fixed a bug in Bluetooth scanning with long scan times not working correctly
  • Fixed bug in battery correction
  • Fixed bug in starting single WiFi scan with downlink. This feature is mostly used for starting an update procedure.
  • Fixed a bug starting GPS takes a long time for the first uplink with the GPS data.


  • Changed scan time to 500ms per msb
  • Optimized Bluetooth beacon scanning for far better detection results

  • Versions

    • ST version 1.16 build 1033
    • NRF version 1.5 build 2032
    • ESP version 1.0 build 3


    New features and fixes

    • Added shock detection functionality
    • Added tilt detection functionality
    • Added extra options for buzzer and LED behaviour
    • Added support for wildcard BLE beacon filter
    • Added option to trigger GPS based on number of detected Wi-Fi access points
    • Added option to (de-)activate Man Down (pre-)alarm with any click (single, double, long)
    • Improved firmware update process (can now be initiated anytime)
    • Improved configuration application process (can now be initiated anytime)
    • Optimalisation for environments with many Bluetooth beacons
    • Factory default now clears BLE scan slots and WiFi credentials
    • Fix in temperature threshold triggers
    • Fix in user password clearance upon factory reset
    • Fix in silent mode configuration


    • ST version 1.15 build 641
    • NRF version 1.5 build 1995
    • ESP version 1.0 build 3


    New features and fixes

    • Added support for US915 frequency (requires US915 optimised hardware version, available in our webshop)
    • Added fast-join functionality (attempts at maximum duty-cycle for one hour after boot)
    • Added Man Down functionality
    • Added pull-cord functionality (pull-cord hardware version only)
    • Added power optimisation for pull-cord functionality
    • Added option to run BLE functionality in background (not added to payload)
    • Migrated to new LoRaWAN stack (now compatible with LoRaWAN specification 1.0.4)
    • Fix in BLE scanning when configured full UUID when more than four beacons were discovered
    • Changed buzzer sequence for pull-cord ioTracker version


    • ST version 1.13 build 146
    • NRF version 1.4 build 1895
    • ESP version 1.0 build 3