The new myTopcon experience is now available. Please click here to access and start using all your apps. The legacy version will still be accessible until April 15th 2026.

Load GR-i3 bootloader firmware

Load GR-i3 bootloader firmware

  1. Select the GNSS (main or aux) menu item under Sensors.
  2. Select the Firmware Upgrade tab.
    ADDITIONAL INFORMATION:
    Figure: Firmware upgrade
  3. Select Choose File.
  4. Navigate to the GR-i3 firmware file (.bin extension).
  5. Select Upgrade to start the upgrade process. A notification is displayed when the upgrade process is complete.

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