I cannot connect to my network with my iPhone 4S . This has been the same since the software upgrade

Hello Daveking1,

Thanks for using Apple Support Communities.

For more information on this, take a look at:

iOS: Troubleshooting Wi-Fi networks and connections

http://support.apple.com/kb/ts1398

1. Tap Settings > Wi-Fi and turn Wi-Fi off and on. If your Wi-Fi setting is dimmed, follow these steps.
2. Restart your iOS device.
3. Tap Settings > Wi-Fi and locate the Wi-Fi network to which you're connected.
4. Tap and Forget this Network.
5. Try to connect to your desired Wi-Fi network.
   Note: You may need to enter your Wi-Fi password again if your network requires one.
6. Update your device to the latest version of software.

Best of luck,

Mario