Hello! What model is your camera?
My seller send me a link to http://www.xiongmaitech.com/service/down_detail/13/792 but the Focus is out and the PTZ functions still not working.
My model is NZ4RN-34718
XM530_80X30T_8M
The original firmware V5.00.R02.000309ED.10010.348700.0020000
Atual firmware...