Thanks Stas.

I've finally got it working OK. It took quite a lot of faffing around but it does work now and I have a simple process for making it work.
So this is how I did it.
For Nikon D4, WT-5 wireless adapter, and iPhone. After each step on the camera you should proceed to the next screen by ...

Thanks Stas.
I've tried the settings you suggest. I can now get the app to see the camera in the 'select camera' screen. But when I try to connect it returns an error message:
"The camera has been detected successfully. However it needs to be reconfigured. etc..."
Tried the suggested things in the ...

Thanks Stas, you're right about HTTP server mode.
I'll give this a shot now.

Hi guys,

I've got the remote and stacking software working perfectly USB tethered to a laptop. Problem is I don't want to lug a laptop around in the field. So iPhone or iPad is required.
I have both of them. And I have the WT-5 wireless adapter for my Nikon D4.
However I can't get the app on the ...