How to upgrade the system

1. Please download the update file to your computer and unzip it, then plug the USB flash drive,and move the unzipped update file to the root directory of the USB flash drive.

Note:

1) Please move the update file to the root directory of the USB flash drive, do not move the subdirectory.

2)Do not change the file name.

2.Please insert the USB flash drive into the NVR.

3.Enter the main interface, click the "Little House" icon.

4.Select "System manage".

5.The screen slides down to "Upgrade" and selects it.

6.Please click "Local Upgrade".Then, wait for a while, the device will be updated successfully.