Document Version: V1.3
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After the system detects the upgrade file, the upgrade starts automatically. Please wait with
patience.
After the upgrade completes, unplug the USB storage device, re-plug in the mouse to enter the
GUI of the NVR and check the Current version of the NVR on the Device upgrade page to confirm
that it is the same as the firmware version you just upgraded.
Method 2
It is applicable for the NVR which can be connected to the mouse and the USB storage device at
the same time.
If the NVR has only one USB port or the USB port has been used, you need to prepare a
USB hub by yourself.
Step 1 Visit www.tendacn.com to download the latest upgrade firmware of the corresponding
camera model, and unzip it to the root directory of the USB device.
Step 2 Save the upgrade file to the root directory of the USB storage device.
The NVR can recognize USB storage devices formatted as FAT32, exFAT and NTFS.
Step 3 Log in to the GUI of the NVR to upgrade firmware.
1. Navigate to Maintenance > Device Upgrade, and click Local Upgrade.
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