Please follow the below steps to upgrade the cameras.(For NVR Firmware version V.3.0 or newer) 

1. Right Click  the mouse System Setup>System admin>Channel Setup>IPC Upgrade
2. Download the IPC firmware by writing to seller:(support@techage.com)
3. Copy the IPC upgrade file to the USB disk, and do not change the name of the upgrade file.
4. Right Click  the mouse  System Setup>System admin>Channel Setup>IPC Upgrade>Tick the cameras> USB storage>click start.

<<Troubleshooting