I’ve made this change:

primary router: 192.168.1.1

LINKSYS hotspotsystem router: 192.168.0.1

now, the router is connected with the hotspotsystem site, (I can see it in the DEVICE LIST of your site).
The wifi ssid is OpenWRT and when i connect an iphone it doesn’t expose the splash screen…but it autoconnect to the internet

the dhcp parameters of the iphone are:

ip: 192.168.1.193
router: 192.168.1.2
dns: 192.168.1.2