@David-TP Hello David, Yes i can connect my phone in all of the 3 networks - Main, Guest and IoT and i have internet acces through all of them. In fact i should be connected to the network so i can...

@David-TP I still have the issue. Tried to change encription methods but no success The IoT devices are chinese brand Thermostats and light bulb switches and all work fine with my other brand router...