Hi,
I am having the same issue still, i have got the latest version of GCC 1.1.4.8 latest verstion of WI-FI 7517 and latest FW of p4 7.38 but still no luck connecting via GCC.
works fine with the usb but not with WI-FI. Wi-Fi status if showing full signal as well.
please help if you can. My p3 it still working on the same network.