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Nox T3: How to re-license your device

To re-license your Nox T3 device follow the instructions below: 

    • Send to Nox Medical the serial number of the device and the sign.txt file:
      • The serial number is found on the label on the bottom of the device: 

    • The sign.txt file (appears on all unlicensed devices) is located on the USB flash drive:

    • The Nox T3 device is shown in the Windows Explorer as a Removable Drive and if browsing to that drive the sign.txt is located there
  • When the serial number and the sign.txt file have been sent to Nox Medial, 4 folders in a zip file with steps that need to be followed will then be sent back from Nox Medical:
    • For each of the Step folders do the following
      • Connect the Nox T3 to the computer via USB:

      • Open the Nox T3 disk in explorer and copy the setup.ini file to the device from the relevant Step folder
      • Disconnect the Nox T3, put batteries in the Nox T3 and turn it on by pressing the middle button on the front panel of the device:

      • The display will state that the device is not configured for a recording:

      • At the end of Step 4, remove the battery and insert the battery again
  • After the steps have been performed for each folder the device should be re-licensed and looking at the initial display image on the T3, when starting on a battery, a closed lock icon should appear in the down right corner of the display.

  •  Now the device is ready for further operation.

For further information please contact


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*Please note that not all features or all products are available in all markets. Our products are medical devices and subject to registration/approval in each market area. For more information on product availability please contact

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