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Firmware Update for Your RETevet manual y portátil,

Version 2.14.0

Release date: March 25, 2025

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Firmware update 2.14.0 is now available for the RETevet™ device and can be easily downloaded and installed by either watching the video or using the instructions on this page. 

*Note: This instructional video was created for the RETeval, but the steps to update your RETevet device are the same. 

What's New in This Release?

This maintenance release improves the stability of your RETevet’s firmware.

Firmware Installation Instructions

  1. Plug the gray USB cable into the computer that you use for your RETevet device and reports. Then, place your RETevet device into the docking station.
  2. Using the computer that your RETevet is plugged into, click here to open the download page and select “Download” to begin. This may take a few minutes.
  3. Once the download is complete, navigate to the file on your computer. Right click on the downloaded firmware file and select “Copy.”
  4. Navigate to the RETevet folder, which is showing as an external drive when the device is plugged into the computer.
  5. Locate the Firmware folder, open it, and paste the copied firmware file. You can also drag and drop from your download folder. Wait for the computer to fully copy the file over to your device.
  6. Safely eject the RETevet from your computer by right-clicking the USB-like image found under the up arrow on the bottom right of your screen and selecting “Eject media.”
  7. Remove the RETevet from its docking station.
  8. On the RETevet, navigate to “Settings” on the main menu, then choose “System” on the next screen. On the next menu, select “Update firmware.”
    Quick tip: If Update Firmware isn’t visible, go back to the Settings page, wait 20 seconds, then try again. The device performs self-checks when removed from the docking station and the Update Firmware button isn’t visible until those self-checks are complete.
  9. The next screen will show previous firmware updates. Make sure you choose Firmware 2.14.0, then select “Next.”
  10. After the update, the device will reboot and bring you back to the main menu. This indicates the upgrade was successful. You can verify that your device is running the latest firmware update by navigating to “Settings,” then selecting “System,” and then selecting “About.” The screen should say Firmware 2.14.0.

Detailed instructions can also be found in the RETevet device user manual, which is available on the Centro de Recursos para Clientes. 

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Barcode App

If you have not done so already, you can download an app to your computer or mobile device for scanning information onto your RETevet device before testing. Versions are available for Windows, iOS, and Android.

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© 2025 LKC Technologies, Inc.

California Proposition 65 information

Prop-65Warning: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Substance Tables:

The table below lists substances which may be contained within LKC’s RETeval and RETevet products. Substances listed as Type 1 are within permissible levels in one or more of LKC’s products. Substances listed as Type 2 are used in the production of some components used in LKC products and may be present at trace levels, but are typically destroyed during processing. 

RETeval and RETevet Devices

Substance CAS # Type Listed as causing:
Nickel 7440-02-0 1 Cancer
Acrylonitrile 107-13-1 2
Ethylbenzine 100-41-4 2
Crystaline Silica 14808-60-7 1
Lead 7439-92-1 1 Cancer Developmental Toxicity Male Reproductive Toxicity Female Reproductive Toxicity
Methylene Chloride 75-09-2 2 Cancer Female Reproductive Toxicity
Bisphenol A 80-05-7 2
N-Hexane  110-54-3 2 Male Reproductive Toxicity