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Viper DVR Firmware
How to confirm a recorders firmware code:
Login to the recorder and navigate to "Settings > System > Information", next to "about this machine" click "View". The firmware code is shown in the firmware version number as highlighted here:
DVR Model | Firmware Code | Version/Download | Notes |
VIPER-4K2-AI-16 VIPER-4K-AI-16 VIPER-5MPL2-AI-8-32 | D1E | 1.4.5 | Release 86853 |
| VIPER-5MPL2-AI-8 VIPER-4K2-AI-4 | D1G | 1.4.5 | Release 86853 |
| VIPER-5MPL2-AI-4 VIPER-5MPLITE-AI-4 | D1F | 1.4.5 | Release 87704 |
| VIPER-5MPL-AI2-16 VIPER-5MPL2-AI-16 VIPER-4K2-AI-8 VIPER-4K-AI-8 | D0E | 1.4.5 | Release 86853 |
| VIPER-4K2-32 | D2E | 1.4.5 | Release 86853 |
| VIPER-5MPL2-32 VIPER-5MPL-8-32 VIPER-4K2-16 | D28 | 1.3.8 | Release 75871: Support for TVI 16:9 Cameras |
| VIPER-5MPL2-8 VIPER-4K2-4 | D0D | 1.3.8 | Release 72144: Support for TVI 16:9 Cameras |
| VIPER-4K2-8 VIPER-5MPL2-16 | D0B | 1.3.8 | Release 84588: Support for TVI 16:9 Cameras |
| VIPER-5MPL2-4 | D0C | 1.3.8 | Release 68815: Support for TVI 16:9 Cameras |
| VIPER-5MPLITE-4 VIPER-1080-MK2-4 VIPER-1080-MK2-8 | D1C | 1.3.8 | Release 88951 (2026 patch): Support for TVI 16:9 Cameras |
VIPER-5MPLITE-8 | D1D |
| Release 77704: Support for TVI 16:9 Cameras |
VIPER-4K-8 | D14 |
| Final Release 88951 (2026 patch): End of Support |
VIPER-5MPL-8 VIPER-4K-4 | D03 |
| Final Release 88951 (2026 patch): End of Support |
VIPER-5MPL-32 VIPER-4K-16 | D44 |
| Final Release 88951 (2026 patch): End of Support |
VIPER-4K-32 | D05 |
| Final Release 55594: End of Support |
VIPER-1080-4 VIPER-1080-8 | D00 |
| Final Release 47995: End of Support |
To update via USB:
1. Download the Firmware
2. Transfer the firmware file to a USB drive formatted as FAT32
3. Connect the USB drive to a front or back USB port of the recorder
4. Reboot the recorder
5. The Firmware upgrade will begin automatically, do not power off or unplug the system during the upgrade process
Update via PC/Laptop:
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