It's connected to the wifi, ask to join networks is off, all restriction on the actual wifi hub itself are switched off, I can see all of the details of my wifi hub, so basically everything is perfect, the phone works fine, I can call text etc. But I can do nothing! I can't log in to the App Store, I can't surf the web, I can't download apps, basically the whole point of having internet on my phone is gone (the sim is new and works fine)
Read more: Why won't my iPhone 4 use the internet?