I have an iPhone 5 running 8.2. I was sitting at work the other day when my phone randomly disconnected itself from the network. When I tried to reconnect to the network it would tell me that it was "Unable to connect". I tried to connect again and it said the same thing. Here is what I have done: 1. Forget the network. - tried to connect afterwards and it is still unable to connect. 2. Reset Network Settings - Now when I try to connect it says that our network is an enterprise network and it wants to know a username and password. Our network is NOT an enterprise network. Other people can connect to this network with no problems. 3. Factory reset my phone. - Same problem upon restore. 4. I reset the router, modem, and all things pertaining to the internet. Everyone else can still login with no problem as mine says unable to connect. 5. I have clicked "other" and typed in the network name and password. I get the "unable to connect" box again. Nothing that I seem to do helps. I dont know why my phone thinks that this is a enterprise network. I am beyond confused. My iPhone works on all other networks that I try to connect to. It is just this one network and no one else has problems. I have tried every combination on YouTube, forums, etc... I cant find anyone else who has the problem. We dont have an IT department or someone who manages the network.