QNAP Security VioStor NVR (Version: 3.5.1) - Manual (Page 216)

216
6.7.5 System Update
QNAP provides new firmware release for the NVR from time to time to provide updated
features and enhancements. Update the system firmware to use these new features.
Before doing so, make sure the product model and the firmware version are correct.
Note: If the NVR is running properly, it may not be necessary to update the firmware.
QNAP is not responsible for any forms of data loss caused by improper or illegal system
update.
Follow the steps below to update firmware:
1. Download the release notes of the firmware from the QNAP website
http://www.qnapsecurity.com . Read the release notes carefully to make sure it is
necessary to update the firmware.
2. Download and unzip the firmware file to the local computer.
3. Before updating the system firmware, it is strongly suggested to back up all the disk
data on the NVR to avoid any potential data loss during the system update.
4. Click ‘Browse…’ to select the correct firmware image. Click ‘Update System’ to update
the firmware.
The system update may take several minutes to complete depending on the network
connection status. Please wait patiently. The NVR will inform you when the system
update is completed.
When updating the firmware, make sure the power supply is at a steady state. Otherwise,
the NVR may be unable to start up.