Description
This guide will show one way to update the camera by the NVR unit with a USB disk.

Note: Old NVRs may not have the feature. Please make sure to update NVR to the lastest firmware for this feature.

Example
To resolve recent issue of Black/White camera image, you can update firmware by this way. Firmware link:https://drive.google.com/open?id=1jv9yha_aIt3X77-5nAfVlPmP2XL_YH8t
How to Upgrade IPC on NVR
Step 1. Go to Camera---Edit Camera---Upgrade. You can choose to individually or batch upgrade.

Step 2 Insert your USB disk to NVR and choose the firmware to upgrade.

Step 3 Then IPC will upgrade and reboot.

Note: Don’t move power or cable during upgrade.