After the update to Nokia Belle, my 3G and/or Wifi connection doesn’t work anymore. I get the error message: "Connection failed. Access denied". What should I do?
After the update to Nokia Belle you have to re-enter Wifi settings (network, security type, password, etc) or define your network as a new access point. There are also some problems where certain apps, for example "SPB Wireless monitor", are preventing your phone from accessing 3G and/or Wifi. To check this and solve your problem please do the following:
After the update to Nokia Belle, there are problems with Wifi connection using LEAP authentication. The phone already tries to connect before I have time to fully enter the username/password. What should I do?
To solve this timeout problem, please edit the Wifi internet access point. You can find it via via Menu>Settings>Connectivity>Settings>Network destinations. It will be under one of the destinations, most likely in Internet destinations. Then edit the access point via Internet access point > WLAN security settings > EAP Plugin Settings > Eap-LEAP and set "Username" and "Password". Make also sure to set "Prompt password" to "No".
After the update to Nokia Belle, I cannot anymore connect to Internet with my phone. I get the error message: “Connection failed. Access denied". What should I do?
The apps "SPB Wireless Monitor Lite" and "SPB Wireless Monitor" may be preventing your phone from accessing the internet, if they have been downloaded to your phone before the Nokia Belle update. If possible, please uninstall these apps before updating to Nokia Belle. If you are experiencing data connection problems after the Nokia Belle update, then please check if you had downloaded either of these apps earlier on your phone by browsing via your PC to Nokia Store: www.nokia.com/store > "My stuff". If you can see either of these apps, then please first try fix the problem by redownloading these apps on your phone:
If you still get the same error message or if you not able to re-install these apps from Nokia Store for some reason, only then follow the remaining steps to manually disable these apps
It might be a courtesy to credit source of much of this information:http://europe.nokia.com/find-products/nokia-belle-