Prerequisites:

• USB Cable

• Battery

• A SD card is not required since the TNC225R has internal 32GB of storage.

Steps:

1: Connect the device to your computer using the USB-C cable, then turn on the device.

2: Download the firmware upgrade then unzip the file.

3: Open the TNC225R in your computer. Copy and paste the unzipped file into the root folder of the TNC225R.

4: Safely remove the device from your computer then unplug it. Hold the power button to restart the device. The device will upgrade automatically. The flashing yellow indicator light mean the upgrade is in progress. When the indicator light turns blue, the upgrade is complete.

5: Long press the power button to restart the device. You can confirm the upgrade in the device settings page to ensure it’s updated to the latest version.

Note: After the update is completed make sure you make a successful wifi connection to the scope via app and transfer the ballistic data via wifi NOT Bluetooth.