How to update firmware on RETeval Handheld ERG

Created by Jonathan Gardner, Modified on Tue, 15 Aug, 2023 at 9:46 AM by Jonathan Gardner

Updating firmware

Periodically LKC publishes an update to the device firmware.

Follow these steps to update the device firmware:

Step 1. Download the firmware update file to the PC. (Follow instructions in the firmware update notice to find and download the update.)

Step 2. Connect the USB cable to the PC.

Step 3. Place the device into the docking station.

Step 4. Wait for the device to appear as an external drive on the PC and double-click to open.

Step 5. Copy the firmware update file from the Downloads folder (or wherever you downloaded it) on the PC to the Firmware folder on the device.

Step 6. EJECT the external drive that represents the device from the PC.

Step 7. Remove the device from the docking station.

Step 8. Select Settings, then System, then Change Settings (this option might not be there), then Update Firmware.

Step 9. Select the firmware update you want.

Step 10. Select Next.

Step 11. Wait while the firmware is updated.

Step 12. After the firmware update completes, the device will restart automatically.

If the RETeval fails during the firmware update, verify that the firmware update file was downloaded and copied to the device correctly by repeating steps 5 through 12.