Firstly it is useful to know that Wisenet refers to 'firmware' as 'software' (abbreviated to S/W) throughout their site.
It has come to our attention that it is not currently possible to update Wisenet camera firmware when the cameras are directly connected to and NVR. Please see our thread about how to update your Wisenet Camera Firmware.
Use...
How to Update your Wisenet NVR Firmware
It has come to our attention that it is not currently possible to update Wisenet camera firmware when the cameras are directly connected to and NVR. Please see our thread about how to update your Wisenet Camera Firmware.
Use...
How to Update your Wisenet NVR Firmware