Firmware Download
Step1: Connect the device to your computer using the USB-C cable, then turn on the device.
Step2: Download the firmware upgrade then unzip the file.
Step3: Open the TNC225R in your computer. Copy and paste the unzipped file into the root folder of the TNC225R.
Step4: 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.
Step5: 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.
Prerequisites: USB Cable | Battery
Note: A SD card is not required since the TNC225R has internal 32GB of storage.
For Mac users, please download the Android File Transfer first to ensure successful use of the Hydra and ThermNight TNC225R.
Note: A SD card is not required since the TNC225R has internal 32GB of storage.
For Mac users, please download the Android File Transfer first to ensure successful use of the Hydra and ThermNight TNC225R.
!!! To ensure optimal performance, please update your device’s firmware to the latest version.
!!! Updating to the latest firmware will erase all zeroing data. Please back up your settings before proceeding.
| Newest Version No. | Improved | Date | Download |
|---|---|---|---|
| V20250421_Hydra_HS635.zip | 1. Added NUC countdown in auto NUC mode. A 5 second countdown is displayed in the status bar before auto NUC. 2. Redefined Record Button Behavior. 3. RAV can be triggered again during recording for another 10 seconds each time, with a max recording time of 2 mins. 4. Fixed image frame rate issue. 5. Optimization in other functions. |
2025-04-21 | Download |
| V20250421_Hydra_HS325.zip | 1. Added NUC countdown in auto NUC mode. A 5 second countdown is displayed in the status bar before auto NUC. 2. Redefined Record Button Behavior. 3. RAV can be triggered again during recording for another 10 seconds each time, with a max recording time of 2 mins. 4. Fixed image frame rate issue. 5. Optimization in other functions. |
2025-04-21 | Download |
| V20250421_Hydra_HS325.zip | 1. Added NUC countdown in auto NUC mode. A 5 second countdown is displayed in the status bar before auto NUC. 2. Redefined Record Button Behavior. 3. RAV can be triggered again during recording for another 10 seconds each time, with a max recording time of 2 mins. 4. Fixed image frame rate issue. 5. Optimization in other functions. |
2025-04-21 | Download |
| V20250421_Hydra_HS325.zip | 1. New Feature : Thermal Lock 2. Maintain previous Wifi setting after restart 3. New MOA Reticle 4. New Reticle Color: White |
2025-04-21 | Download |
V20250421_Hydra_HS635.zip
1. Added NUC countdown in auto NUC mode. A 5 second countdown is displayed in the status bar before auto NUC.
2. Redefined Record Button Behavior.
3. RAV can be triggered again during recording for another 10 seconds each time, with a max recording time of 2 mins.
4. Fixed image frame rate issue.
5. Optimization in other functions.
2. Redefined Record Button Behavior.
3. RAV can be triggered again during recording for another 10 seconds each time, with a max recording time of 2 mins.
4. Fixed image frame rate issue.
5. Optimization in other functions.
2025-04-21 Download
V20250421_Hydra_HS325.zip
1. Added NUC countdown in auto NUC mode. A 5 second countdown is displayed in the status bar before auto NUC.
2. Redefined Record Button Behavior.
3. RAV can be triggered again during recording for another 10 seconds each time, with a max recording time of 2 mins.
4. Fixed image frame rate issue.
5. Optimization in other functions.
2. Redefined Record Button Behavior.
3. RAV can be triggered again during recording for another 10 seconds each time, with a max recording time of 2 mins.
4. Fixed image frame rate issue.
5. Optimization in other functions.
2025-04-21 Download
V20250421_Hydra_HS325.zip
1. Added NUC countdown in auto NUC mode. A 5 second countdown is displayed in the status bar before auto NUC.
2. Redefined Record Button Behavior.
3. RAV can be triggered again during recording for another 10 seconds each time, with a max recording time of 2 mins.
4. Fixed image frame rate issue.
5. Optimization in other functions.
2. Redefined Record Button Behavior.
3. RAV can be triggered again during recording for another 10 seconds each time, with a max recording time of 2 mins.
4. Fixed image frame rate issue.
5. Optimization in other functions.
2025-04-21 Download
V20250421_Hydra_HS325.zip
1. New Feature : Thermal Lock
2. Maintain previous Wifi setting after restart
3. New MOA Reticle
4. New Reticle Color: White
2. Maintain previous Wifi setting after restart
3. New MOA Reticle
4. New Reticle Color: White
2025-04-21 Download
